20808540856

素因数分解:

$2^3\times {\mathrm{16427}}^1\times {\mathrm{158341}}^1$

素因数の和:174774

約数の個数: 16

約数和(自身を含む): 39018635640

約数和(自身を除く): 18210094784

約数列:

[1, 2, 4, 8, 16427, 32854, 65708, 131416, 158341, 316682, 633364, 1266728, 2601067607, 5202135214, 10404270428, 20808540856]

約数ペア:

[(1, 20808540856), (2, 10404270428), (4, 5202135214), (8, 2601067607), (16427, 1266728), (32854, 633364), (65708, 316682), (131416, 158341)]