20137185

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6679}}^1$

素因数の和:6757

約数の個数: 24

約数和(自身を含む): 35430720

約数和(自身を除く): 15293535

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 6679, 20037, 33395, 60111, 100185, 300555, 447493, 1342479, 2237465, 4027437, 6712395, 20137185]

約数ペア:

[(1, 20137185), (3, 6712395), (5, 4027437), (9, 2237465), (15, 1342479), (45, 447493), (67, 300555), (201, 100185), (335, 60111), (603, 33395), (1005, 20037), (3015, 6679)]