20199256340

素因数分解:

$2^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1491821}}^1$

素因数の和:1492507

約数の個数: 24

約数和(自身を含む): 42481123272

約数和(自身を除く): 22281866932

約数列:

[1, 2, 4, 5, 10, 20, 677, 1354, 2708, 3385, 6770, 13540, 1491821, 2983642, 5967284, 7459105, 14918210, 29836420, 1009962817, 2019925634, 4039851268, 5049814085, 10099628170, 20199256340]

約数ペア:

[(1, 20199256340), (2, 10099628170), (4, 5049814085), (5, 4039851268), (10, 2019925634), (20, 1009962817), (677, 29836420), (1354, 14918210), (2708, 7459105), (3385, 5967284), (6770, 2983642), (13540, 1491821)]