20485731

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{57383}}^1$

素因数の和:57410

約数の個数: 16

約数和(自身を含む): 33053184

約数和(自身を除く): 12567453

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 57383, 172149, 401681, 975511, 1205043, 2926533, 6828577, 20485731]

約数ペア:

[(1, 20485731), (3, 6828577), (7, 2926533), (17, 1205043), (21, 975511), (51, 401681), (119, 172149), (357, 57383)]