20139204490

素因数分解:

$2^1\times 5^1\times {\mathrm{4273}}^1\times {\mathrm{471313}}^1$

素因数の和:475593

約数の個数: 16

約数和(自身を含む): 36259128648

約数和(自身を除く): 16119924158

約数列:

[1, 2, 5, 10, 4273, 8546, 21365, 42730, 471313, 942626, 2356565, 4713130, 2013920449, 4027840898, 10069602245, 20139204490]

約数ペア:

[(1, 20139204490), (2, 10069602245), (5, 4027840898), (10, 2013920449), (4273, 4713130), (8546, 2356565), (21365, 942626), (42730, 471313)]