20740885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2713}}^1$

素因数の和:2868

約数の個数: 16

約数和(自身を含む): 27357120

約数和(自身を除く): 6616235

約数列:

[1, 5, 11, 55, 139, 695, 1529, 2713, 7645, 13565, 29843, 149215, 377107, 1885535, 4148177, 20740885]

約数ペア:

[(1, 20740885), (5, 4148177), (11, 1885535), (55, 377107), (139, 149215), (695, 29843), (1529, 13565), (2713, 7645)]