20242533880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{244357}}^1$

素因数の和:244496

約数の個数: 64

約数和(自身を含む): 48382884000

約数和(自身を除く): 28140350120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 436, 545, 760, 872, 1090, 2071, 2180, 4142, 4360, 8284, 10355, 16568, 20710, 41420, 82840, 244357, 488714, 977428, 1221785, 1954856, 2443570, 4642783, 4887140, 9285566, 9774280, 18571132, 23213915, 26634913, 37142264, 46427830, 53269826, 92855660, 106539652, 133174565, 185711320, 213079304, 266349130, 506063347, 532698260, 1012126694, 1065396520, 2024253388, 2530316735, 4048506776, 5060633470, 10121266940, 20242533880]

約数ペア:

[(1, 20242533880), (2, 10121266940), (4, 5060633470), (5, 4048506776), (8, 2530316735), (10, 2024253388), (19, 1065396520), (20, 1012126694), (38, 532698260), (40, 506063347), (76, 266349130), (95, 213079304), (109, 185711320), (152, 133174565), (190, 106539652), (218, 92855660), (380, 53269826), (436, 46427830), (545, 37142264), (760, 26634913), (872, 23213915), (1090, 18571132), (2071, 9774280), (2180, 9285566), (4142, 4887140), (4360, 4642783), (8284, 2443570), (10355, 1954856), (16568, 1221785), (20710, 977428), (41420, 488714), (82840, 244357)]