20129301

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2069}}^1$

素因数の和:2145

約数の個数: 24

約数和(自身を含む): 31000320

約数和(自身を除く): 10871019

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 2069, 3243, 6207, 9729, 18621, 47587, 97243, 142761, 291729, 428283, 875187, 2236589, 6709767, 20129301]

約数ペア:

[(1, 20129301), (3, 6709767), (9, 2236589), (23, 875187), (47, 428283), (69, 291729), (141, 142761), (207, 97243), (423, 47587), (1081, 18621), (2069, 9729), (3243, 6207)]