20501060

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6529}}^1$

素因数の和:6695

約数の個数: 24

約数和(自身を含む): 43333080

約数和(自身を除く): 22832020

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 6529, 13058, 26116, 32645, 65290, 130580, 1025053, 2050106, 4100212, 5125265, 10250530, 20501060]

約数ペア:

[(1, 20501060), (2, 10250530), (4, 5125265), (5, 4100212), (10, 2050106), (20, 1025053), (157, 130580), (314, 65290), (628, 32645), (785, 26116), (1570, 13058), (3140, 6529)]