20685366

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{811}}^1$

素因数の和:941

約数の個数: 48

約数和(自身を含む): 48768720

約数和(自身を除く): 28083354

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 109, 117, 218, 234, 327, 654, 811, 981, 1417, 1622, 1962, 2433, 2834, 4251, 4866, 7299, 8502, 10543, 12753, 14598, 21086, 25506, 31629, 63258, 88399, 94887, 176798, 189774, 265197, 530394, 795591, 1149187, 1591182, 2298374, 3447561, 6895122, 10342683, 20685366]

約数ペア:

[(1, 20685366), (2, 10342683), (3, 6895122), (6, 3447561), (9, 2298374), (13, 1591182), (18, 1149187), (26, 795591), (39, 530394), (78, 265197), (109, 189774), (117, 176798), (218, 94887), (234, 88399), (327, 63258), (654, 31629), (811, 25506), (981, 21086), (1417, 14598), (1622, 12753), (1962, 10543), (2433, 8502), (2834, 7299), (4251, 4866)]