20237599870

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12890191}}^1$

素因数の和:12890355

約数の個数: 16

約数和(自身を含む): 36659706048

約数和(自身を除く): 16422106178

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 12890191, 25780382, 64450955, 128901910, 2023759987, 4047519974, 10118799935, 20237599870]

約数ペア:

[(1, 20237599870), (2, 10118799935), (5, 4047519974), (10, 2023759987), (157, 128901910), (314, 64450955), (785, 25780382), (1570, 12890191)]