20121896450

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{5094151}}^1$

素因数の和:5094242

約数の個数: 24

約数和(自身を含む): 37900490880

約数和(自身を除く): 17778594430

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 5094151, 10188302, 25470755, 50941510, 127353775, 254707550, 402437929, 804875858, 2012189645, 4024379290, 10060948225, 20121896450]

約数ペア:

[(1, 20121896450), (2, 10060948225), (5, 4024379290), (10, 2012189645), (25, 804875858), (50, 402437929), (79, 254707550), (158, 127353775), (395, 50941510), (790, 25470755), (1975, 10188302), (3950, 5094151)]