20886525

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 43747200

約数和(自身を除く): 22860675

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 29, 33, 45, 55, 75, 87, 97, 99, 135, 145, 165, 225, 261, 275, 291, 297, 319, 435, 485, 495, 675, 725, 783, 825, 873, 957, 1067, 1305, 1455, 1485, 1595, 2175, 2425, 2475, 2619, 2813, 2871, 3201, 3915, 4365, 4785, 5335, 6525, 7275, 7425, 7975, 8439, 8613, 9603, 13095, 14065, 14355, 16005, 19575, 21825, 23925, 25317, 26675, 28809, 30943, 42195, 43065, 48015, 65475, 70325, 71775, 75951, 80025, 92829, 126585, 144045, 154715, 210975, 215325, 240075, 278487, 379755, 464145, 632925, 720225, 773575, 835461, 1392435, 1898775, 2320725, 4177305, 6962175, 20886525]

約数ペア:

[(1, 20886525), (3, 6962175), (5, 4177305), (9, 2320725), (11, 1898775), (15, 1392435), (25, 835461), (27, 773575), (29, 720225), (33, 632925), (45, 464145), (55, 379755), (75, 278487), (87, 240075), (97, 215325), (99, 210975), (135, 154715), (145, 144045), (165, 126585), (225, 92829), (261, 80025), (275, 75951), (291, 71775), (297, 70325), (319, 65475), (435, 48015), (485, 43065), (495, 42195), (675, 30943), (725, 28809), (783, 26675), (825, 25317), (873, 23925), (957, 21825), (1067, 19575), (1305, 16005), (1455, 14355), (1485, 14065), (1595, 13095), (2175, 9603), (2425, 8613), (2475, 8439), (2619, 7975), (2813, 7425), (2871, 7275), (3201, 6525), (3915, 5335), (4365, 4785)]