20058255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1721}}^1$

素因数の和:1776

約数の個数: 48

約数和(自身を含む): 40832064

約数和(自身を除く): 20773809

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 63, 105, 111, 185, 259, 315, 333, 555, 777, 1295, 1665, 1721, 2331, 3885, 5163, 8605, 11655, 12047, 15489, 25815, 36141, 60235, 63677, 77445, 108423, 180705, 191031, 318385, 445739, 542115, 573093, 955155, 1337217, 2228695, 2865465, 4011651, 6686085, 20058255]

約数ペア:

[(1, 20058255), (3, 6686085), (5, 4011651), (7, 2865465), (9, 2228695), (15, 1337217), (21, 955155), (35, 573093), (37, 542115), (45, 445739), (63, 318385), (105, 191031), (111, 180705), (185, 108423), (259, 77445), (315, 63677), (333, 60235), (555, 36141), (777, 25815), (1295, 15489), (1665, 12047), (1721, 11655), (2331, 8605), (3885, 5163)]