20212509620

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3188093}}^1$

素因数の和:3188419

約数の個数: 24

約数和(自身を含む): 42580183464

約数和(自身を除く): 22367673844

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 3188093, 6376186, 12752372, 15940465, 31880930, 63761860, 1010625481, 2021250962, 4042501924, 5053127405, 10106254810, 20212509620]

約数ペア:

[(1, 20212509620), (2, 10106254810), (4, 5053127405), (5, 4042501924), (10, 2021250962), (20, 1010625481), (317, 63761860), (634, 31880930), (1268, 15940465), (1585, 12752372), (3170, 6376186), (6340, 3188093)]