20864085

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4079}}^1$

素因数の和:4129

約数の個数: 32

約数和(自身を含む): 37601280

約数和(自身を除く): 16737195

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 4079, 5115, 12237, 20395, 44869, 61185, 126449, 134607, 224345, 379347, 632245, 673035, 1390939, 1896735, 4172817, 6954695, 20864085]

約数ペア:

[(1, 20864085), (3, 6954695), (5, 4172817), (11, 1896735), (15, 1390939), (31, 673035), (33, 632245), (55, 379347), (93, 224345), (155, 134607), (165, 126449), (341, 61185), (465, 44869), (1023, 20395), (1705, 12237), (4079, 5115)]