20905846

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{977}}^1$

素因数の和:1815

約数の個数: 16

約数和(自身を含む): 33846624

約数和(自身を除く): 12940778

約数列:

[1, 2, 13, 26, 823, 977, 1646, 1954, 10699, 12701, 21398, 25402, 804071, 1608142, 10452923, 20905846]

約数ペア:

[(1, 20905846), (2, 10452923), (13, 1608142), (26, 804071), (823, 25402), (977, 21398), (1646, 12701), (1954, 10699)]