20441379

素因数分解:

$3^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{577}}^1$

素因数の和:835

約数の個数: 24

約数和(自身を含む): 31891728

約数和(自身を除く): 11450349

約数列:

[1, 3, 7, 21, 49, 147, 241, 577, 723, 1687, 1731, 4039, 5061, 11809, 12117, 28273, 35427, 84819, 139057, 417171, 973399, 2920197, 6813793, 20441379]

約数ペア:

[(1, 20441379), (3, 6813793), (7, 2920197), (21, 973399), (49, 417171), (147, 139057), (241, 84819), (577, 35427), (723, 28273), (1687, 12117), (1731, 11809), (4039, 5061)]