20725042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 13869518

約数列:

[1, 2, 13, 26, 71, 103, 109, 142, 206, 218, 923, 1339, 1417, 1846, 2678, 2834, 7313, 7739, 11227, 14626, 15478, 22454, 95069, 100607, 145951, 190138, 201214, 291902, 797117, 1594234, 10362521, 20725042]

約数ペア:

[(1, 20725042), (2, 10362521), (13, 1594234), (26, 797117), (71, 291902), (103, 201214), (109, 190138), (142, 145951), (206, 100607), (218, 95069), (923, 22454), (1339, 15478), (1417, 14626), (1846, 11227), (2678, 7739), (2834, 7313)]