20144905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7793}}^1$

素因数の和:7856

約数の個数: 16

約数和(自身を含む): 26936064

約数和(自身を除く): 6791159

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 7793, 38965, 85723, 366271, 428615, 1831355, 4028981, 20144905]

約数ペア:

[(1, 20144905), (5, 4028981), (11, 1831355), (47, 428615), (55, 366271), (235, 85723), (517, 38965), (2585, 7793)]