20216573580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{19559}}^1$

素因数の和:19708

約数の個数: 192

約数和(自身を含む): 68140154880

約数和(自身を除く): 47923581300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 107, 115, 138, 140, 161, 210, 214, 230, 276, 321, 322, 345, 420, 428, 460, 483, 535, 642, 644, 690, 749, 805, 966, 1070, 1284, 1380, 1498, 1605, 1610, 1932, 2140, 2247, 2415, 2461, 2996, 3210, 3220, 3745, 4494, 4830, 4922, 6420, 7383, 7490, 8988, 9660, 9844, 11235, 12305, 14766, 14980, 17227, 19559, 22470, 24610, 29532, 34454, 36915, 39118, 44940, 49220, 51681, 58677, 68908, 73830, 78236, 86135, 97795, 103362, 117354, 136913, 147660, 172270, 195590, 206724, 234708, 258405, 273826, 293385, 344540, 391180, 410739, 449857, 516810, 547652, 586770, 684565, 821478, 899714, 1033620, 1173540, 1349571, 1369130, 1642956, 1799428, 2053695, 2092813, 2249285, 2699142, 2738260, 3148999, 4107390, 4185626, 4498570, 5398284, 6278439, 6297998, 6747855, 8214780, 8371252, 8997140, 9446997, 10464065, 12556878, 12595996, 13495710, 14649691, 15744995, 18893994, 20928130, 25113756, 26991420, 29299382, 31392195, 31489990, 37787988, 41856260, 43949073, 47234985, 48134699, 58598764, 62784390, 62979980, 73248455, 87898146, 94469970, 96269398, 125568780, 144404097, 146496910, 175796292, 188939940, 192538796, 219745365, 240673495, 288808194, 292993820, 336942893, 439490730, 481346990, 577616388, 673885786, 722020485, 878981460, 962693980, 1010828679, 1347771572, 1444040970, 1684714465, 2021657358, 2888081940, 3369428930, 4043314716, 5054143395, 6738857860, 10108286790, 20216573580]

約数ペア:

[(1, 20216573580), (2, 10108286790), (3, 6738857860), (4, 5054143395), (5, 4043314716), (6, 3369428930), (7, 2888081940), (10, 2021657358), (12, 1684714465), (14, 1444040970), (15, 1347771572), (20, 1010828679), (21, 962693980), (23, 878981460), (28, 722020485), (30, 673885786), (35, 577616388), (42, 481346990), (46, 439490730), (60, 336942893), (69, 292993820), (70, 288808194), (84, 240673495), (92, 219745365), (105, 192538796), (107, 188939940), (115, 175796292), (138, 146496910), (140, 144404097), (161, 125568780), (210, 96269398), (214, 94469970), (230, 87898146), (276, 73248455), (321, 62979980), (322, 62784390), (345, 58598764), (420, 48134699), (428, 47234985), (460, 43949073), (483, 41856260), (535, 37787988), (642, 31489990), (644, 31392195), (690, 29299382), (749, 26991420), (805, 25113756), (966, 20928130), (1070, 18893994), (1284, 15744995), (1380, 14649691), (1498, 13495710), (1605, 12595996), (1610, 12556878), (1932, 10464065), (2140, 9446997), (2247, 8997140), (2415, 8371252), (2461, 8214780), (2996, 6747855), (3210, 6297998), (3220, 6278439), (3745, 5398284), (4494, 4498570), (4830, 4185626), (4922, 4107390), (6420, 3148999), (7383, 2738260), (7490, 2699142), (8988, 2249285), (9660, 2092813), (9844, 2053695), (11235, 1799428), (12305, 1642956), (14766, 1369130), (14980, 1349571), (17227, 1173540), (19559, 1033620), (22470, 899714), (24610, 821478), (29532, 684565), (34454, 586770), (36915, 547652), (39118, 516810), (44940, 449857), (49220, 410739), (51681, 391180), (58677, 344540), (68908, 293385), (73830, 273826), (78236, 258405), (86135, 234708), (97795, 206724), (103362, 195590), (117354, 172270), (136913, 147660)]