20878502

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1$

素因数の和:943

約数の個数: 16

約数和(自身を含む): 32052672

約数和(自身を除く): 11174170

約数列:

[1, 2, 53, 106, 431, 457, 862, 914, 22843, 24221, 45686, 48442, 196967, 393934, 10439251, 20878502]

約数ペア:

[(1, 20878502), (2, 10439251), (53, 393934), (106, 196967), (431, 48442), (457, 45686), (862, 24221), (914, 22843)]