20451626

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5659}}^1$

素因数の和:5813

約数の個数: 16

約数和(自身を含む): 33280800

約数和(自身を除く): 12829174

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 5659, 11318, 73567, 147134, 786601, 1573202, 10225813, 20451626]

約数ペア:

[(1, 20451626), (2, 10225813), (13, 1573202), (26, 786601), (139, 147134), (278, 73567), (1807, 11318), (3614, 5659)]