20484297

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1291}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 31039008

約数和(自身を除く): 10554711

約数列:

[1, 3, 9, 41, 43, 123, 129, 369, 387, 1291, 1763, 3873, 5289, 11619, 15867, 52931, 55513, 158793, 166539, 476379, 499617, 2276033, 6828099, 20484297]

約数ペア:

[(1, 20484297), (3, 6828099), (9, 2276033), (41, 499617), (43, 476379), (123, 166539), (129, 158793), (369, 55513), (387, 52931), (1291, 15867), (1763, 11619), (3873, 5289)]