20717491390

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{24960833}}^1$

素因数の和:24960923

約数の個数: 16

約数和(自身を含む): 37740781008

約数和(自身を除く): 17023289618

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 24960833, 49921666, 124804165, 249608330, 2071749139, 4143498278, 10358745695, 20717491390]

約数ペア:

[(1, 20717491390), (2, 10358745695), (5, 4143498278), (10, 2071749139), (83, 249608330), (166, 124804165), (415, 49921666), (830, 24960833)]