20895648

素因数分解:

$2^5\times 3^1\times {\mathrm{307}}^1\times {\mathrm{709}}^1$

素因数の和:1029

約数の個数: 48

約数和(自身を含む): 55107360

約数和(自身を除く): 34211712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 307, 614, 709, 921, 1228, 1418, 1842, 2127, 2456, 2836, 3684, 4254, 4912, 5672, 7368, 8508, 9824, 11344, 14736, 17016, 22688, 29472, 34032, 68064, 217663, 435326, 652989, 870652, 1305978, 1741304, 2611956, 3482608, 5223912, 6965216, 10447824, 20895648]

約数ペア:

[(1, 20895648), (2, 10447824), (3, 6965216), (4, 5223912), (6, 3482608), (8, 2611956), (12, 1741304), (16, 1305978), (24, 870652), (32, 652989), (48, 435326), (96, 217663), (307, 68064), (614, 34032), (709, 29472), (921, 22688), (1228, 17016), (1418, 14736), (1842, 11344), (2127, 9824), (2456, 8508), (2836, 7368), (3684, 5672), (4254, 4912)]