201520908

素因数分解:

$2^2\times 3^2\times {\mathrm{5597803}}^1$

素因数の和:5597813

約数の個数: 18

約数和(自身を含む): 509400164

約数和(自身を除く): 307879256

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 5597803, 11195606, 16793409, 22391212, 33586818, 50380227, 67173636, 100760454, 201520908]

約数ペア:

[(1, 201520908), (2, 100760454), (3, 67173636), (4, 50380227), (6, 33586818), (9, 22391212), (12, 16793409), (18, 11195606), (36, 5597803)]