20601890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3739}}^1$

素因数の和:3794

約数の個数: 32

約数和(自身を含む): 40392000

約数和(自身を除く): 19790110

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 3739, 5510, 7478, 18695, 37390, 71041, 108431, 142082, 216862, 355205, 542155, 710410, 1084310, 2060189, 4120378, 10300945, 20601890]

約数ペア:

[(1, 20601890), (2, 10300945), (5, 4120378), (10, 2060189), (19, 1084310), (29, 710410), (38, 542155), (58, 355205), (95, 216862), (145, 142082), (190, 108431), (290, 71041), (551, 37390), (1102, 18695), (2755, 7478), (3739, 5510)]