20151784580

素因数分解:

$2^2\times 5^1\times {\mathrm{2351}}^1\times {\mathrm{428579}}^1$

素因数の和:430939

約数の個数: 24

約数和(自身を含む): 42336846720

約数和(自身を除く): 22185062140

約数列:

[1, 2, 4, 5, 10, 20, 2351, 4702, 9404, 11755, 23510, 47020, 428579, 857158, 1714316, 2142895, 4285790, 8571580, 1007589229, 2015178458, 4030356916, 5037946145, 10075892290, 20151784580]

約数ペア:

[(1, 20151784580), (2, 10075892290), (4, 5037946145), (5, 4030356916), (10, 2015178458), (20, 1007589229), (2351, 8571580), (4702, 4285790), (9404, 2142895), (11755, 1714316), (23510, 857158), (47020, 428579)]