20027476

素因数分解:

$2^2\times 7^2\times {\mathrm{102181}}^1$

素因数の和:102199

約数の個数: 18

約数和(自身を含む): 40770618

約数和(自身を除く): 20743142

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 102181, 204362, 408724, 715267, 1430534, 2861068, 5006869, 10013738, 20027476]

約数ペア:

[(1, 20027476), (2, 10013738), (4, 5006869), (7, 2861068), (14, 1430534), (28, 715267), (49, 408724), (98, 204362), (196, 102181)]