20050335

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1645

約数の個数: 40

約数和(自身を含む): 37124736

約数和(自身を除く): 17074401

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 1597, 2511, 4185, 4791, 7985, 12555, 14373, 23955, 43119, 49507, 71865, 129357, 148521, 215595, 247535, 445563, 646785, 742605, 1336689, 2227815, 4010067, 6683445, 20050335]

約数ペア:

[(1, 20050335), (3, 6683445), (5, 4010067), (9, 2227815), (15, 1336689), (27, 742605), (31, 646785), (45, 445563), (81, 247535), (93, 215595), (135, 148521), (155, 129357), (279, 71865), (405, 49507), (465, 43119), (837, 23955), (1395, 14373), (1597, 12555), (2511, 7985), (4185, 4791)]