20220975

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1033}}^1$

素因数の和:1081

約数の個数: 48

約数和(自身を含む): 38464800

約数和(自身を除く): 18243825

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 135, 145, 225, 261, 435, 675, 725, 783, 1033, 1305, 2175, 3099, 3915, 5165, 6525, 9297, 15495, 19575, 25825, 27891, 29957, 46485, 77475, 89871, 139455, 149785, 232425, 269613, 449355, 697275, 748925, 808839, 1348065, 2246775, 4044195, 6740325, 20220975]

約数ペア:

[(1, 20220975), (3, 6740325), (5, 4044195), (9, 2246775), (15, 1348065), (25, 808839), (27, 748925), (29, 697275), (45, 449355), (75, 269613), (87, 232425), (135, 149785), (145, 139455), (225, 89871), (261, 77475), (435, 46485), (675, 29957), (725, 27891), (783, 25825), (1033, 19575), (1305, 15495), (2175, 9297), (3099, 6525), (3915, 5165)]