20346420016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1377737}}^1$

素因数の和:1377829

約数の個数: 40

約数和(自身を含む): 43051557024

約数和(自身を除く): 22705137008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 7384, 14768, 1377737, 2755474, 5510948, 11021896, 17910581, 22043792, 35821162, 71642324, 97819327, 143284648, 195638654, 286569296, 391277308, 782554616, 1271651251, 1565109232, 2543302502, 5086605004, 10173210008, 20346420016]

約数ペア:

[(1, 20346420016), (2, 10173210008), (4, 5086605004), (8, 2543302502), (13, 1565109232), (16, 1271651251), (26, 782554616), (52, 391277308), (71, 286569296), (104, 195638654), (142, 143284648), (208, 97819327), (284, 71642324), (568, 35821162), (923, 22043792), (1136, 17910581), (1846, 11021896), (3692, 5510948), (7384, 2755474), (14768, 1377737)]