20987350

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{24691}}^1$

素因数の和:24720

約数の個数: 24

約数和(自身を含む): 41334408

約数和(自身を除く): 20347058

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 24691, 49382, 123455, 246910, 419747, 617275, 839494, 1234550, 2098735, 4197470, 10493675, 20987350]

約数ペア:

[(1, 20987350), (2, 10493675), (5, 4197470), (10, 2098735), (17, 1234550), (25, 839494), (34, 617275), (50, 419747), (85, 246910), (170, 123455), (425, 49382), (850, 24691)]