20123828

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1481}}^1$

素因数の和:1607

約数の個数: 24

約数和(自身を含む): 36516480

約数和(自身を除く): 16392652

約数列:

[1, 2, 4, 43, 79, 86, 158, 172, 316, 1481, 2962, 3397, 5924, 6794, 13588, 63683, 116999, 127366, 233998, 254732, 467996, 5030957, 10061914, 20123828]

約数ペア:

[(1, 20123828), (2, 10061914), (4, 5030957), (43, 467996), (79, 254732), (86, 233998), (158, 127366), (172, 116999), (316, 63683), (1481, 13588), (2962, 6794), (3397, 5924)]