20116558

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18661}}^1$

素因数の和:18688

約数の個数: 24

約数和(自身を含む): 38294424

約数和(自身を除く): 18177866

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 18661, 37322, 130627, 205271, 261254, 410542, 914389, 1436897, 1828778, 2873794, 10058279, 20116558]

約数ペア:

[(1, 20116558), (2, 10058279), (7, 2873794), (11, 1828778), (14, 1436897), (22, 914389), (49, 410542), (77, 261254), (98, 205271), (154, 130627), (539, 37322), (1078, 18661)]