20885373

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 31030272

約数和(自身を除く): 10144899

約数列:

[1, 3, 9, 73, 83, 219, 249, 383, 657, 747, 1149, 3447, 6059, 18177, 27959, 31789, 54531, 83877, 95367, 251631, 286101, 2320597, 6961791, 20885373]

約数ペア:

[(1, 20885373), (3, 6961791), (9, 2320597), (73, 286101), (83, 251631), (219, 95367), (249, 83877), (383, 54531), (657, 31789), (747, 27959), (1149, 18177), (3447, 6059)]