20402715

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{12037}}^1$

素因数の和:12158

約数の個数: 16

約数和(自身を含む): 32935968

約数和(自身を除く): 12533253

約数列:

[1, 3, 5, 15, 113, 339, 565, 1695, 12037, 36111, 60185, 180555, 1360181, 4080543, 6800905, 20402715]

約数ペア:

[(1, 20402715), (3, 6800905), (5, 4080543), (15, 1360181), (113, 180555), (339, 60185), (565, 36111), (1695, 12037)]