20285421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{4603}}^1$

素因数の和:4732

約数の個数: 16

約数和(自身を含む): 29391936

約数和(自身を除く): 9106515

約数列:

[1, 3, 13, 39, 113, 339, 1469, 4407, 4603, 13809, 59839, 179517, 520139, 1560417, 6761807, 20285421]

約数ペア:

[(1, 20285421), (3, 6761807), (13, 1560417), (39, 520139), (113, 179517), (339, 59839), (1469, 13809), (4407, 4603)]