20525565

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1193}}^1$

素因数の和:1269

約数の個数: 32

約数和(自身を含む): 34845696

約数和(自身を除く): 14320131

約数列:

[1, 3, 5, 15, 31, 37, 93, 111, 155, 185, 465, 555, 1147, 1193, 3441, 3579, 5735, 5965, 17205, 17895, 36983, 44141, 110949, 132423, 184915, 220705, 554745, 662115, 1368371, 4105113, 6841855, 20525565]

約数ペア:

[(1, 20525565), (3, 6841855), (5, 4105113), (15, 1368371), (31, 662115), (37, 554745), (93, 220705), (111, 184915), (155, 132423), (185, 110949), (465, 44141), (555, 36983), (1147, 17895), (1193, 17205), (3441, 5965), (3579, 5735)]