20584755

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7499}}^1$

素因数の和:7571

約数の個数: 24

約数和(自身を含む): 36270000

約数和(自身を除く): 15685245

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 7499, 22497, 37495, 67491, 112485, 337455, 457439, 1372317, 2287195, 4116951, 6861585, 20584755]

約数ペア:

[(1, 20584755), (3, 6861585), (5, 4116951), (9, 2287195), (15, 1372317), (45, 457439), (61, 337455), (183, 112485), (305, 67491), (549, 37495), (915, 22497), (2745, 7499)]