20811075

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{8951}}^1$

素因数の和:8995

約数の個数: 24

約数和(自身を含む): 35521536

約数和(自身を除く): 14710461

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 8951, 26853, 44755, 134265, 223775, 277481, 671325, 832443, 1387405, 4162215, 6937025, 20811075]

約数ペア:

[(1, 20811075), (3, 6937025), (5, 4162215), (15, 1387405), (25, 832443), (31, 671325), (75, 277481), (93, 223775), (155, 134265), (465, 44755), (775, 26853), (2325, 8951)]