20806799516

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{3989}}^1\times {\mathrm{12911}}^1$

素因数の和:17005

約数の個数: 24

約数和(自身を含む): 36784480320

約数和(自身を除く): 15977680804

約数列:

[1, 2, 4, 101, 202, 404, 3989, 7978, 12911, 15956, 25822, 51644, 402889, 805778, 1304011, 1611556, 2608022, 5216044, 51501979, 103003958, 206007916, 5201699879, 10403399758, 20806799516]

約数ペア:

[(1, 20806799516), (2, 10403399758), (4, 5201699879), (101, 206007916), (202, 103003958), (404, 51501979), (3989, 5216044), (7978, 2608022), (12911, 1611556), (15956, 1304011), (25822, 805778), (51644, 402889)]