20645762

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{557}}^1$

素因数の和:1033

約数の個数: 16

約数和(自身を含む): 31819392

約数和(自身を除く): 11173630

約数列:

[1, 2, 43, 86, 431, 557, 862, 1114, 18533, 23951, 37066, 47902, 240067, 480134, 10322881, 20645762]

約数ペア:

[(1, 20645762), (2, 10322881), (43, 480134), (86, 240067), (431, 47902), (557, 37066), (862, 23951), (1114, 18533)]