20121493399

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{727169}}^1$

素因数の和:727302

約数の個数: 16

約数和(自身を含む): 23734828800

約数和(自身を除く): 3613335401

約数列:

[1, 7, 59, 67, 413, 469, 3953, 27671, 727169, 5090183, 42902971, 48720323, 300320797, 341042261, 2874499057, 20121493399]

約数ペア:

[(1, 20121493399), (7, 2874499057), (59, 341042261), (67, 300320797), (413, 48720323), (469, 42902971), (3953, 5090183), (27671, 727169)]