20853734

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{5237}}^1$

素因数の和:5431

約数の個数: 16

約数和(自身を含む): 34319376

約数和(自身を除く): 13465642

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 5237, 10474, 57607, 115214, 947897, 1895794, 10426867, 20853734]

約数ペア:

[(1, 20853734), (2, 10426867), (11, 1895794), (22, 947897), (181, 115214), (362, 57607), (1991, 10474), (3982, 5237)]