20122720105

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{736961}}^1$

素因数の和:737136

約数の個数: 16

約数和(自身を含む): 24903419904

約数和(自身を除く): 4780699799

約数列:

[1, 5, 43, 127, 215, 635, 5461, 27305, 736961, 3684805, 31689323, 93594047, 158446615, 467970235, 4024544021, 20122720105]

約数ペア:

[(1, 20122720105), (5, 4024544021), (43, 467970235), (127, 158446615), (215, 93594047), (635, 31689323), (5461, 3684805), (27305, 736961)]