20682045

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2333}}^1$

素因数の和:2541

約数の個数: 24

約数和(自身を含む): 36046296

約数和(自身を除く): 15364251

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2333, 2955, 6999, 8865, 11665, 20997, 34995, 104985, 459601, 1378803, 2298005, 4136409, 6894015, 20682045]

約数ペア:

[(1, 20682045), (3, 6894015), (5, 4136409), (9, 2298005), (15, 1378803), (45, 459601), (197, 104985), (591, 34995), (985, 20997), (1773, 11665), (2333, 8865), (2955, 6999)]