19988520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{166571}}^1$

素因数の和:166585

約数の個数: 32

約数和(自身を含む): 59965920

約数和(自身を除く): 39977400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 166571, 333142, 499713, 666284, 832855, 999426, 1332568, 1665710, 1998852, 2498565, 3331420, 3997704, 4997130, 6662840, 9994260, 19988520]

約数ペア:

[(1, 19988520), (2, 9994260), (3, 6662840), (4, 4997130), (5, 3997704), (6, 3331420), (8, 2498565), (10, 1998852), (12, 1665710), (15, 1332568), (20, 999426), (24, 832855), (30, 666284), (40, 499713), (60, 333142), (120, 166571)]