20808801621

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{2383}}^1\times {\mathrm{13291}}^1$

素因数の和:15753

約数の個数: 24

約数和(自身を含む): 30483979136

約数和(自身を除く): 9675177515

約数列:

[1, 3, 9, 73, 219, 657, 2383, 7149, 13291, 21447, 39873, 119619, 173959, 521877, 970243, 1565631, 2910729, 8732187, 31672453, 95017359, 285052077, 2312089069, 6936267207, 20808801621]

約数ペア:

[(1, 20808801621), (3, 6936267207), (9, 2312089069), (73, 285052077), (219, 95017359), (657, 31672453), (2383, 8732187), (7149, 2910729), (13291, 1565631), (21447, 970243), (39873, 521877), (119619, 173959)]