20013302745

素因数分解:

$3^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{324391}}^1$

素因数の和:324862

約数の個数: 32

約数和(自身を含む): 35657168640

約数和(自身を除く): 15643865895

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 457, 1371, 2285, 4113, 6855, 12339, 20565, 61695, 324391, 973173, 1621955, 2919519, 4865865, 8758557, 14597595, 43792785, 148246687, 444740061, 741233435, 1334220183, 2223700305, 4002660549, 6671100915, 20013302745]

約数ペア:

[(1, 20013302745), (3, 6671100915), (5, 4002660549), (9, 2223700305), (15, 1334220183), (27, 741233435), (45, 444740061), (135, 148246687), (457, 43792785), (1371, 14597595), (2285, 8758557), (4113, 4865865), (6855, 2919519), (12339, 1621955), (20565, 973173), (61695, 324391)]