20681835

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{33629}}^1$

素因数の和:33678

約数の個数: 16

約数和(自身を含む): 33899040

約数和(自身を除く): 13217205

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 33629, 100887, 168145, 504435, 1378789, 4136367, 6893945, 20681835]

約数ペア:

[(1, 20681835), (3, 6893945), (5, 4136367), (15, 1378789), (41, 504435), (123, 168145), (205, 100887), (615, 33629)]