20406812

素因数分解:

$2^2\times {\mathrm{331}}^1\times {\mathrm{15413}}^1$

素因数の和:15748

約数の個数: 12

約数和(自身を含む): 35822136

約数和(自身を除く): 15415324

約数列:

[1, 2, 4, 331, 662, 1324, 15413, 30826, 61652, 5101703, 10203406, 20406812]

約数ペア:

[(1, 20406812), (2, 10203406), (4, 5101703), (331, 61652), (662, 30826), (1324, 15413)]