20127090867

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1\times {\mathrm{7321}}^1$

素因数の和:7943

約数の個数: 32

約数和(自身を含む): 29153275200

約数和(自身を除く): 9026184333

約数列:

[1, 3, 13, 39, 157, 449, 471, 1347, 2041, 5837, 6123, 7321, 17511, 21963, 70493, 95173, 211479, 285519, 916409, 1149397, 2749227, 3287129, 3448191, 9861387, 14942161, 42732677, 44826483, 128198031, 516079253, 1548237759, 6709030289, 20127090867]

約数ペア:

[(1, 20127090867), (3, 6709030289), (13, 1548237759), (39, 516079253), (157, 128198031), (449, 44826483), (471, 42732677), (1347, 14942161), (2041, 9861387), (5837, 3448191), (6123, 3287129), (7321, 2749227), (17511, 1149397), (21963, 916409), (70493, 285519), (95173, 211479)]