20503186

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14333294

約数列:

[1, 2, 11, 22, 47, 79, 94, 158, 251, 502, 517, 869, 1034, 1738, 2761, 3713, 5522, 7426, 11797, 19829, 23594, 39658, 40843, 81686, 129767, 218119, 259534, 436238, 931963, 1863926, 10251593, 20503186]

約数ペア:

[(1, 20503186), (2, 10251593), (11, 1863926), (22, 931963), (47, 436238), (79, 259534), (94, 218119), (158, 129767), (251, 81686), (502, 40843), (517, 39658), (869, 23594), (1034, 19829), (1738, 11797), (2761, 7426), (3713, 5522)]