20952910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2843}}^1$

素因数の和:2928

約数の個数: 32

約数和(自身を含む): 41772672

約数和(自身を除く): 20819762

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 110, 134, 335, 670, 737, 1474, 2843, 3685, 5686, 7370, 14215, 28430, 31273, 62546, 156365, 190481, 312730, 380962, 952405, 1904810, 2095291, 4190582, 10476455, 20952910]

約数ペア:

[(1, 20952910), (2, 10476455), (5, 4190582), (10, 2095291), (11, 1904810), (22, 952405), (55, 380962), (67, 312730), (110, 190481), (134, 156365), (335, 62546), (670, 31273), (737, 28430), (1474, 14215), (2843, 7370), (3685, 5686)]