20406977140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5456411}}^1$

素因数の和:5456448

約数の個数: 48

約数和(自身を含む): 49500569664

約数和(自身を除く): 29093592524

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 5456411, 10912822, 21825644, 27282055, 54564110, 60020521, 92758987, 109128220, 120041042, 185517974, 240082084, 300102605, 371035948, 463794935, 600205210, 927589870, 1020348857, 1200410420, 1855179740, 2040697714, 4081395428, 5101744285, 10203488570, 20406977140]

約数ペア:

[(1, 20406977140), (2, 10203488570), (4, 5101744285), (5, 4081395428), (10, 2040697714), (11, 1855179740), (17, 1200410420), (20, 1020348857), (22, 927589870), (34, 600205210), (44, 463794935), (55, 371035948), (68, 300102605), (85, 240082084), (110, 185517974), (170, 120041042), (187, 109128220), (220, 92758987), (340, 60020521), (374, 54564110), (748, 27282055), (935, 21825644), (1870, 10912822), (3740, 5456411)]