20089575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8117}}^1$

素因数の和:8144

約数の個数: 36

約数和(自身を含む): 39258648

約数和(自身を除く): 19169073

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 8117, 24351, 40585, 73053, 89287, 121755, 202925, 267861, 365265, 446435, 608775, 803583, 1339305, 1826325, 2232175, 4017915, 6696525, 20089575]

約数ペア:

[(1, 20089575), (3, 6696525), (5, 4017915), (9, 2232175), (11, 1826325), (15, 1339305), (25, 803583), (33, 608775), (45, 446435), (55, 365265), (75, 267861), (99, 202925), (165, 121755), (225, 89287), (275, 73053), (495, 40585), (825, 24351), (2475, 8117)]