20249636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5171}}^1$

素因数の和:5275

約数の個数: 24

約数和(自身を含む): 39100320

約数和(自身を除く): 18850684

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 5171, 10342, 20684, 56881, 113762, 227524, 460219, 920438, 1840876, 5062409, 10124818, 20249636]

約数ペア:

[(1, 20249636), (2, 10124818), (4, 5062409), (11, 1840876), (22, 920438), (44, 460219), (89, 227524), (178, 113762), (356, 56881), (979, 20684), (1958, 10342), (3916, 5171)]