20808072728

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{12821}}^1\times {\mathrm{5483}}^1$

素因数の和:18347

約数の個数: 32

約数和(自身を含む): 40080033360

約数和(自身を除く): 19271960632

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 5483, 10966, 12821, 21932, 25642, 43864, 51284, 102568, 202871, 405742, 474377, 811484, 948754, 1622968, 1897508, 3795016, 70297543, 140595086, 281190172, 562380344, 2601009091, 5202018182, 10404036364, 20808072728]

約数ペア:

[(1, 20808072728), (2, 10404036364), (4, 5202018182), (8, 2601009091), (37, 562380344), (74, 281190172), (148, 140595086), (296, 70297543), (5483, 3795016), (10966, 1897508), (12821, 1622968), (21932, 948754), (25642, 811484), (43864, 474377), (51284, 405742), (102568, 202871)]