20804916432

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{265423}}^1$

素因数の和:265528

約数の個数: 80

約数和(自身を含む): 56872931328

約数和(自身を除く): 36068014896

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 71, 92, 138, 142, 184, 213, 276, 284, 368, 426, 552, 568, 852, 1104, 1136, 1633, 1704, 3266, 3408, 4899, 6532, 9798, 13064, 19596, 26128, 39192, 78384, 265423, 530846, 796269, 1061692, 1592538, 2123384, 3185076, 4246768, 6104729, 6370152, 12209458, 12740304, 18314187, 18845033, 24418916, 36628374, 37690066, 48837832, 56535099, 73256748, 75380132, 97675664, 113070198, 146513496, 150760264, 226140396, 293026992, 301520528, 433435759, 452280792, 866871518, 904561584, 1300307277, 1733743036, 2600614554, 3467486072, 5201229108, 6934972144, 10402458216, 20804916432]

約数ペア:

[(1, 20804916432), (2, 10402458216), (3, 6934972144), (4, 5201229108), (6, 3467486072), (8, 2600614554), (12, 1733743036), (16, 1300307277), (23, 904561584), (24, 866871518), (46, 452280792), (48, 433435759), (69, 301520528), (71, 293026992), (92, 226140396), (138, 150760264), (142, 146513496), (184, 113070198), (213, 97675664), (276, 75380132), (284, 73256748), (368, 56535099), (426, 48837832), (552, 37690066), (568, 36628374), (852, 24418916), (1104, 18845033), (1136, 18314187), (1633, 12740304), (1704, 12209458), (3266, 6370152), (3408, 6104729), (4899, 4246768), (6532, 3185076), (9798, 2123384), (13064, 1592538), (19596, 1061692), (26128, 796269), (39192, 530846), (78384, 265423)]