20772418

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4241}}^1$

素因数の和:4353

約数の個数: 16

約数和(自身を含む): 32578560

約数和(自身を除く): 11806142

約数列:

[1, 2, 31, 62, 79, 158, 2449, 4241, 4898, 8482, 131471, 262942, 335039, 670078, 10386209, 20772418]

約数ペア:

[(1, 20772418), (2, 10386209), (31, 670078), (62, 335039), (79, 262942), (158, 131471), (2449, 8482), (4241, 4898)]