20921115840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{4463}}^1$

素因数の和:4759

約数の個数: 224

約数和(自身を含む): 70208363520

約数和(自身を除く): 49287247680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 257, 285, 304, 320, 380, 456, 480, 514, 570, 608, 760, 771, 912, 960, 1028, 1140, 1216, 1285, 1520, 1542, 1824, 2056, 2280, 2570, 3040, 3084, 3648, 3855, 4112, 4463, 4560, 4883, 5140, 6080, 6168, 7710, 8224, 8926, 9120, 9766, 10280, 12336, 13389, 14649, 15420, 16448, 17852, 18240, 19532, 20560, 22315, 24415, 24672, 26778, 29298, 30840, 35704, 39064, 41120, 44630, 48830, 49344, 53556, 58596, 61680, 66945, 71408, 73245, 78128, 82240, 84797, 89260, 97660, 107112, 117192, 123360, 133890, 142816, 146490, 156256, 169594, 178520, 195320, 214224, 234384, 246720, 254391, 267780, 285632, 292980, 312512, 339188, 357040, 390640, 423985, 428448, 468768, 508782, 535560, 585960, 678376, 714080, 781280, 847970, 856896, 937536, 1017564, 1071120, 1146991, 1171920, 1271955, 1356752, 1428160, 1562560, 1695940, 2035128, 2142240, 2293982, 2343840, 2543910, 2713504, 3391880, 3440973, 4070256, 4284480, 4587964, 4687680, 5087820, 5427008, 5734955, 6783760, 6881946, 8140512, 9175928, 10175640, 11469910, 13567520, 13763892, 16281024, 17204865, 18351856, 20351280, 21792829, 22939820, 27135040, 27527784, 34409730, 36703712, 40702560, 43585658, 45879640, 55055568, 65378487, 68819460, 73407424, 81405120, 87171316, 91759280, 108964145, 110111136, 130756974, 137638920, 174342632, 183518560, 217928290, 220222272, 261513948, 275277840, 326892435, 348685264, 367037120, 435856580, 523027896, 550555680, 653784870, 697370528, 871713160, 1046055792, 1101111360, 1307569740, 1394741056, 1743426320, 2092111584, 2615139480, 3486852640, 4184223168, 5230278960, 6973705280, 10460557920, 20921115840]

約数ペア:

[(1, 20921115840), (2, 10460557920), (3, 6973705280), (4, 5230278960), (5, 4184223168), (6, 3486852640), (8, 2615139480), (10, 2092111584), (12, 1743426320), (15, 1394741056), (16, 1307569740), (19, 1101111360), (20, 1046055792), (24, 871713160), (30, 697370528), (32, 653784870), (38, 550555680), (40, 523027896), (48, 435856580), (57, 367037120), (60, 348685264), (64, 326892435), (76, 275277840), (80, 261513948), (95, 220222272), (96, 217928290), (114, 183518560), (120, 174342632), (152, 137638920), (160, 130756974), (190, 110111136), (192, 108964145), (228, 91759280), (240, 87171316), (257, 81405120), (285, 73407424), (304, 68819460), (320, 65378487), (380, 55055568), (456, 45879640), (480, 43585658), (514, 40702560), (570, 36703712), (608, 34409730), (760, 27527784), (771, 27135040), (912, 22939820), (960, 21792829), (1028, 20351280), (1140, 18351856), (1216, 17204865), (1285, 16281024), (1520, 13763892), (1542, 13567520), (1824, 11469910), (2056, 10175640), (2280, 9175928), (2570, 8140512), (3040, 6881946), (3084, 6783760), (3648, 5734955), (3855, 5427008), (4112, 5087820), (4463, 4687680), (4560, 4587964), (4883, 4284480), (5140, 4070256), (6080, 3440973), (6168, 3391880), (7710, 2713504), (8224, 2543910), (8926, 2343840), (9120, 2293982), (9766, 2142240), (10280, 2035128), (12336, 1695940), (13389, 1562560), (14649, 1428160), (15420, 1356752), (16448, 1271955), (17852, 1171920), (18240, 1146991), (19532, 1071120), (20560, 1017564), (22315, 937536), (24415, 856896), (24672, 847970), (26778, 781280), (29298, 714080), (30840, 678376), (35704, 585960), (39064, 535560), (41120, 508782), (44630, 468768), (48830, 428448), (49344, 423985), (53556, 390640), (58596, 357040), (61680, 339188), (66945, 312512), (71408, 292980), (73245, 285632), (78128, 267780), (82240, 254391), (84797, 246720), (89260, 234384), (97660, 214224), (107112, 195320), (117192, 178520), (123360, 169594), (133890, 156256), (142816, 146490)]