20802241104

素因数分解:

$2^4\times 3^1\times {\mathrm{661}}^1\times {\mathrm{655643}}^1$

素因数の和:656315

約数の個数: 40

約数和(自身を含む): 53820504672

約数和(自身を除く): 33018263568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 661, 1322, 1983, 2644, 3966, 5288, 7932, 10576, 15864, 31728, 655643, 1311286, 1966929, 2622572, 3933858, 5245144, 7867716, 10490288, 15735432, 31470864, 433380023, 866760046, 1300140069, 1733520092, 2600280138, 3467040184, 5200560276, 6934080368, 10401120552, 20802241104]

約数ペア:

[(1, 20802241104), (2, 10401120552), (3, 6934080368), (4, 5200560276), (6, 3467040184), (8, 2600280138), (12, 1733520092), (16, 1300140069), (24, 866760046), (48, 433380023), (661, 31470864), (1322, 15735432), (1983, 10490288), (2644, 7867716), (3966, 5245144), (5288, 3933858), (7932, 2622572), (10576, 1966929), (15864, 1311286), (31728, 655643)]