20201091010

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{677}}^1\times {\mathrm{21467}}^1$

素因数の和:22290

約数の個数: 32

約数和(自身を含む): 36679366080

約数和(自身を除く): 16478275070

約数列:

[1, 2, 5, 10, 139, 278, 677, 695, 1354, 1390, 3385, 6770, 21467, 42934, 94103, 107335, 188206, 214670, 470515, 941030, 2983913, 5967826, 14533159, 14919565, 29066318, 29839130, 72665795, 145331590, 2020109101, 4040218202, 10100545505, 20201091010]

約数ペア:

[(1, 20201091010), (2, 10100545505), (5, 4040218202), (10, 2020109101), (139, 145331590), (278, 72665795), (677, 29839130), (695, 29066318), (1354, 14919565), (1390, 14533159), (3385, 5967826), (6770, 2983913), (21467, 941030), (42934, 470515), (94103, 214670), (107335, 188206)]