20812932

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{82591}}^1$

素因数の和:82608

約数の個数: 36

約数和(自身を含む): 60126976

約数和(自身を除く): 39314044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 82591, 165182, 247773, 330364, 495546, 578137, 743319, 991092, 1156274, 1486638, 1734411, 2312548, 2973276, 3468822, 5203233, 6937644, 10406466, 20812932]

約数ペア:

[(1, 20812932), (2, 10406466), (3, 6937644), (4, 5203233), (6, 3468822), (7, 2973276), (9, 2312548), (12, 1734411), (14, 1486638), (18, 1156274), (21, 991092), (28, 743319), (36, 578137), (42, 495546), (63, 330364), (84, 247773), (126, 165182), (252, 82591)]