20456045

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1427}}^1$

素因数の和:1540

約数の個数: 16

約数和(自身を含む): 25498368

約数和(自身を除く): 5042323

約数列:

[1, 5, 47, 61, 235, 305, 1427, 2867, 7135, 14335, 67069, 87047, 335345, 435235, 4091209, 20456045]

約数ペア:

[(1, 20456045), (5, 4091209), (47, 435235), (61, 335345), (235, 87047), (305, 67069), (1427, 14335), (2867, 7135)]