20123555770

素因数分解:

$2^1\times 5^1\times {\mathrm{14449}}^1\times {\mathrm{139273}}^1$

素因数の和:153729

約数の個数: 16

約数和(自身を含む): 36225167400

約数和(自身を除く): 16101611630

約数列:

[1, 2, 5, 10, 14449, 28898, 72245, 139273, 144490, 278546, 696365, 1392730, 2012355577, 4024711154, 10061777885, 20123555770]

約数ペア:

[(1, 20123555770), (2, 10061777885), (5, 4024711154), (10, 2012355577), (14449, 1392730), (28898, 696365), (72245, 278546), (139273, 144490)]