20123640018

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{1901}}^1$

素因数の和:2312

約数の個数: 96

約数和(自身を含む): 45916775424

約数和(自身を除く): 25793135406

約数列:

[1, 2, 3, 6, 9, 18, 31, 61, 62, 93, 122, 183, 186, 279, 311, 366, 549, 558, 622, 933, 1098, 1866, 1891, 1901, 2799, 3782, 3802, 5598, 5673, 5703, 9641, 11346, 11406, 17019, 17109, 18971, 19282, 28923, 34038, 34218, 37942, 56913, 57846, 58931, 86769, 113826, 115961, 117862, 170739, 173538, 176793, 231922, 341478, 347883, 353586, 530379, 588101, 591211, 695766, 1043649, 1060758, 1176202, 1182422, 1764303, 1773633, 2087298, 3528606, 3547266, 3594791, 5292909, 5320899, 7189582, 10585818, 10641798, 10784373, 18327541, 21568746, 32353119, 36063871, 36655082, 54982623, 64706238, 72127742, 108191613, 109965246, 164947869, 216383226, 324574839, 329895738, 649149678, 1117980001, 2235960002, 3353940003, 6707880006, 10061820009, 20123640018]

約数ペア:

[(1, 20123640018), (2, 10061820009), (3, 6707880006), (6, 3353940003), (9, 2235960002), (18, 1117980001), (31, 649149678), (61, 329895738), (62, 324574839), (93, 216383226), (122, 164947869), (183, 109965246), (186, 108191613), (279, 72127742), (311, 64706238), (366, 54982623), (549, 36655082), (558, 36063871), (622, 32353119), (933, 21568746), (1098, 18327541), (1866, 10784373), (1891, 10641798), (1901, 10585818), (2799, 7189582), (3782, 5320899), (3802, 5292909), (5598, 3594791), (5673, 3547266), (5703, 3528606), (9641, 2087298), (11346, 1773633), (11406, 1764303), (17019, 1182422), (17109, 1176202), (18971, 1060758), (19282, 1043649), (28923, 695766), (34038, 591211), (34218, 588101), (37942, 530379), (56913, 353586), (57846, 347883), (58931, 341478), (86769, 231922), (113826, 176793), (115961, 173538), (117862, 170739)]