20023195

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{8123}}^1$

素因数の和:8174

約数の個数: 16

約数和(自身を含む): 26321760

約数和(自身を除く): 6298565

約数列:

[1, 5, 17, 29, 85, 145, 493, 2465, 8123, 40615, 138091, 235567, 690455, 1177835, 4004639, 20023195]

約数ペア:

[(1, 20023195), (5, 4004639), (17, 1177835), (29, 690455), (85, 235567), (145, 138091), (493, 40615), (2465, 8123)]