20089867845

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{321721}}^1$

素因数の和:321933

約数の個数: 32

約数和(自身を含む): 33726760704

約数和(自身を除く): 13636892859

約数列:

[1, 3, 5, 15, 23, 69, 115, 181, 345, 543, 905, 2715, 4163, 12489, 20815, 62445, 321721, 965163, 1608605, 4825815, 7399583, 22198749, 36997915, 58231501, 110993745, 174694503, 291157505, 873472515, 1339324523, 4017973569, 6696622615, 20089867845]

約数ペア:

[(1, 20089867845), (3, 6696622615), (5, 4017973569), (15, 1339324523), (23, 873472515), (69, 291157505), (115, 174694503), (181, 110993745), (345, 58231501), (543, 36997915), (905, 22198749), (2715, 7399583), (4163, 4825815), (12489, 1608605), (20815, 965163), (62445, 321721)]