20236838440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9439}}^1$

素因数の和:9520

約数の個数: 256

約数和(自身を含む): 60899328000

約数和(自身を除く): 40662489560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 31, 35, 38, 40, 52, 56, 62, 65, 70, 76, 91, 95, 104, 124, 130, 133, 140, 152, 155, 182, 190, 217, 247, 248, 260, 266, 280, 310, 364, 380, 403, 434, 455, 494, 520, 532, 589, 620, 665, 728, 760, 806, 868, 910, 988, 1064, 1085, 1178, 1235, 1240, 1330, 1612, 1729, 1736, 1820, 1976, 2015, 2170, 2356, 2470, 2660, 2821, 2945, 3224, 3458, 3640, 4030, 4123, 4340, 4712, 4940, 5320, 5642, 5890, 6916, 7657, 8060, 8246, 8645, 8680, 9439, 9880, 11284, 11780, 13832, 14105, 15314, 16120, 16492, 17290, 18878, 20615, 22568, 23560, 28210, 30628, 32984, 34580, 37756, 38285, 41230, 47195, 53599, 56420, 61256, 66073, 69160, 75512, 76570, 82460, 94390, 107198, 112840, 122707, 132146, 153140, 164920, 179341, 188780, 214396, 245414, 264292, 267995, 292609, 306280, 330365, 358682, 377560, 428792, 490828, 528584, 535990, 585218, 613535, 660730, 717364, 858949, 896705, 981656, 1071980, 1170436, 1227070, 1255387, 1321460, 1434728, 1463045, 1717898, 1793410, 2048263, 2143960, 2331433, 2340872, 2454140, 2510774, 2642920, 2926090, 3435796, 3586820, 3803917, 4096526, 4294745, 4662866, 4908280, 5021548, 5559571, 5852180, 6276935, 6871592, 7173640, 7607834, 8193052, 8589490, 9325732, 10043096, 10241315, 11119142, 11657165, 11704360, 12553870, 15215668, 16320031, 16386104, 17178980, 18651464, 19019585, 20482630, 22238284, 23314330, 25107740, 26627419, 27797855, 30431336, 32640062, 34357960, 38039170, 38916997, 40965260, 44476568, 46628660, 50215480, 53254838, 55595710, 65280124, 72274423, 76078340, 77833994, 81600155, 81930520, 93257320, 106509676, 111191420, 130560248, 133137095, 144548846, 152156680, 155667988, 163200310, 194584985, 213019352, 222382840, 266274190, 289097692, 311335976, 326400620, 361372115, 389169970, 505920961, 532548380, 578195384, 652801240, 722744230, 778339940, 1011841922, 1065096760, 1445488460, 1556679880, 2023683844, 2529604805, 2890976920, 4047367688, 5059209610, 10118419220, 20236838440]

約数ペア:

[(1, 20236838440), (2, 10118419220), (4, 5059209610), (5, 4047367688), (7, 2890976920), (8, 2529604805), (10, 2023683844), (13, 1556679880), (14, 1445488460), (19, 1065096760), (20, 1011841922), (26, 778339940), (28, 722744230), (31, 652801240), (35, 578195384), (38, 532548380), (40, 505920961), (52, 389169970), (56, 361372115), (62, 326400620), (65, 311335976), (70, 289097692), (76, 266274190), (91, 222382840), (95, 213019352), (104, 194584985), (124, 163200310), (130, 155667988), (133, 152156680), (140, 144548846), (152, 133137095), (155, 130560248), (182, 111191420), (190, 106509676), (217, 93257320), (247, 81930520), (248, 81600155), (260, 77833994), (266, 76078340), (280, 72274423), (310, 65280124), (364, 55595710), (380, 53254838), (403, 50215480), (434, 46628660), (455, 44476568), (494, 40965260), (520, 38916997), (532, 38039170), (589, 34357960), (620, 32640062), (665, 30431336), (728, 27797855), (760, 26627419), (806, 25107740), (868, 23314330), (910, 22238284), (988, 20482630), (1064, 19019585), (1085, 18651464), (1178, 17178980), (1235, 16386104), (1240, 16320031), (1330, 15215668), (1612, 12553870), (1729, 11704360), (1736, 11657165), (1820, 11119142), (1976, 10241315), (2015, 10043096), (2170, 9325732), (2356, 8589490), (2470, 8193052), (2660, 7607834), (2821, 7173640), (2945, 6871592), (3224, 6276935), (3458, 5852180), (3640, 5559571), (4030, 5021548), (4123, 4908280), (4340, 4662866), (4712, 4294745), (4940, 4096526), (5320, 3803917), (5642, 3586820), (5890, 3435796), (6916, 2926090), (7657, 2642920), (8060, 2510774), (8246, 2454140), (8645, 2340872), (8680, 2331433), (9439, 2143960), (9880, 2048263), (11284, 1793410), (11780, 1717898), (13832, 1463045), (14105, 1434728), (15314, 1321460), (16120, 1255387), (16492, 1227070), (17290, 1170436), (18878, 1071980), (20615, 981656), (22568, 896705), (23560, 858949), (28210, 717364), (30628, 660730), (32984, 613535), (34580, 585218), (37756, 535990), (38285, 528584), (41230, 490828), (47195, 428792), (53599, 377560), (56420, 358682), (61256, 330365), (66073, 306280), (69160, 292609), (75512, 267995), (76570, 264292), (82460, 245414), (94390, 214396), (107198, 188780), (112840, 179341), (122707, 164920), (132146, 153140)]