20643798

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{1433}}^1$

素因数の和:1466

約数の個数: 40

約数和(自身を含む): 48199608

約数和(自身を除く): 27555810

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 1433, 2058, 2401, 2866, 4299, 4802, 7203, 8598, 10031, 14406, 20062, 30093, 60186, 70217, 140434, 210651, 421302, 491519, 983038, 1474557, 2949114, 3440633, 6881266, 10321899, 20643798]

約数ペア:

[(1, 20643798), (2, 10321899), (3, 6881266), (6, 3440633), (7, 2949114), (14, 1474557), (21, 983038), (42, 491519), (49, 421302), (98, 210651), (147, 140434), (294, 70217), (343, 60186), (686, 30093), (1029, 20062), (1433, 14406), (2058, 10031), (2401, 8598), (2866, 7203), (4299, 4802)]