20834986

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{809}}^1$

素因数の和:1053

約数の個数: 16

約数和(自身を含む): 31881600

約数和(自身を除く): 11046614

約数列:

[1, 2, 79, 158, 163, 326, 809, 1618, 12877, 25754, 63911, 127822, 131867, 263734, 10417493, 20834986]

約数ペア:

[(1, 20834986), (2, 10417493), (79, 263734), (158, 131867), (163, 127822), (326, 63911), (809, 25754), (1618, 12877)]