20748442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72547}}^1$

素因数の和:72573

約数の個数: 16

約数和(自身を含む): 36564192

約数和(自身を除く): 15815750

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72547, 145094, 798017, 943111, 1596034, 1886222, 10374221, 20748442]

約数ペア:

[(1, 20748442), (2, 10374221), (11, 1886222), (13, 1596034), (22, 943111), (26, 798017), (143, 145094), (286, 72547)]