20615426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 13858174

約数列:

[1, 2, 13, 26, 59, 89, 118, 151, 178, 302, 767, 1157, 1534, 1963, 2314, 3926, 5251, 8909, 10502, 13439, 17818, 26878, 68263, 115817, 136526, 174707, 231634, 349414, 792901, 1585802, 10307713, 20615426]

約数ペア:

[(1, 20615426), (2, 10307713), (13, 1585802), (26, 792901), (59, 349414), (89, 231634), (118, 174707), (151, 136526), (178, 115817), (302, 68263), (767, 26878), (1157, 17818), (1534, 13439), (1963, 10502), (2314, 8909), (3926, 5251)]