20402224

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{16141}}^1$

素因数の和:16228

約数の個数: 20

約数和(自身を含む): 40032160

約数和(自身を除く): 19629936

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 16141, 32282, 64564, 129128, 258256, 1275139, 2550278, 5100556, 10201112, 20402224]

約数ペア:

[(1, 20402224), (2, 10201112), (4, 5100556), (8, 2550278), (16, 1275139), (79, 258256), (158, 129128), (316, 64564), (632, 32282), (1264, 16141)]