20198413870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{501077}}^1$

素因数の和:501252

約数の個数: 32

約数和(自身を含む): 37881496800

約数和(自身を除く): 17683082930

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 695, 1390, 4031, 8062, 20155, 40310, 501077, 1002154, 2505385, 5010770, 14531233, 29062466, 69649703, 72656165, 139299406, 145312330, 348248515, 696497030, 2019841387, 4039682774, 10099206935, 20198413870]

約数ペア:

[(1, 20198413870), (2, 10099206935), (5, 4039682774), (10, 2019841387), (29, 696497030), (58, 348248515), (139, 145312330), (145, 139299406), (278, 72656165), (290, 69649703), (695, 29062466), (1390, 14531233), (4031, 5010770), (8062, 2505385), (20155, 1002154), (40310, 501077)]