20394955

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15749}}^1$

素因数の和:15798

約数の個数: 16

約数和(自身を含む): 28728000

約数和(自身を除く): 8333045

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 15749, 78745, 110243, 551215, 582713, 2913565, 4078991, 20394955]

約数ペア:

[(1, 20394955), (5, 4078991), (7, 2913565), (35, 582713), (37, 551215), (185, 110243), (259, 78745), (1295, 15749)]