1617960096020

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{192156781}}^1$

素因数の和:192157211

約数の個数: 24

約数和(自身を含む): 3405786804168

約数和(自身を除く): 1787826708148

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 192156781, 384313562, 768627124, 960783905, 1921567810, 3843135620, 80898004801, 161796009602, 323592019204, 404490024005, 808980048010, 1617960096020]

約数ペア:

[(1, 1617960096020), (2, 808980048010), (4, 404490024005), (5, 323592019204), (10, 161796009602), (20, 80898004801), (421, 3843135620), (842, 1921567810), (1684, 960783905), (2105, 768627124), (4210, 384313562), (8420, 192156781)]