20158555780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4822621}}^1$

素因数の和:4822660

約数の個数: 48

約数和(自身を含む): 48612029760

約数和(自身を除く): 28453473980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 4822621, 9645242, 19290484, 24113105, 48226210, 53048831, 91629799, 96452420, 106097662, 183259598, 212195324, 265244155, 366519196, 458148995, 530488310, 916297990, 1007927789, 1060976620, 1832595980, 2015855578, 4031711156, 5039638945, 10079277890, 20158555780]

約数ペア:

[(1, 20158555780), (2, 10079277890), (4, 5039638945), (5, 4031711156), (10, 2015855578), (11, 1832595980), (19, 1060976620), (20, 1007927789), (22, 916297990), (38, 530488310), (44, 458148995), (55, 366519196), (76, 265244155), (95, 212195324), (110, 183259598), (190, 106097662), (209, 96452420), (220, 91629799), (380, 53048831), (418, 48226210), (836, 24113105), (1045, 19290484), (2090, 9645242), (4180, 4822621)]