20790102008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199904827}}^1$

素因数の和:199904846

約数の個数: 16

約数和(自身を含む): 41980013880

約数和(自身を除く): 21189911872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199904827, 399809654, 799619308, 1599238616, 2598762751, 5197525502, 10395051004, 20790102008]

約数ペア:

[(1, 20790102008), (2, 10395051004), (4, 5197525502), (8, 2598762751), (13, 1599238616), (26, 799619308), (52, 399809654), (104, 199904827)]