20360175

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:113

約数の個数: 96

約数和(自身を含む): 40711680

約数和(自身を除く): 20351505

約数列:

[1, 3, 5, 11, 15, 23, 25, 29, 33, 37, 55, 69, 75, 87, 111, 115, 145, 165, 185, 253, 275, 319, 345, 407, 435, 555, 575, 667, 725, 759, 825, 851, 925, 957, 1073, 1221, 1265, 1595, 1725, 2001, 2035, 2175, 2553, 2775, 3219, 3335, 3795, 4255, 4785, 5365, 6105, 6325, 7337, 7975, 9361, 10005, 10175, 11803, 12765, 16095, 16675, 18975, 21275, 22011, 23925, 24679, 26825, 28083, 30525, 35409, 36685, 46805, 50025, 59015, 63825, 74037, 80475, 110055, 123395, 140415, 177045, 183425, 234025, 271469, 295075, 370185, 550275, 616975, 702075, 814407, 885225, 1357345, 1850925, 4072035, 6786725, 20360175]

約数ペア:

[(1, 20360175), (3, 6786725), (5, 4072035), (11, 1850925), (15, 1357345), (23, 885225), (25, 814407), (29, 702075), (33, 616975), (37, 550275), (55, 370185), (69, 295075), (75, 271469), (87, 234025), (111, 183425), (115, 177045), (145, 140415), (165, 123395), (185, 110055), (253, 80475), (275, 74037), (319, 63825), (345, 59015), (407, 50025), (435, 46805), (555, 36685), (575, 35409), (667, 30525), (725, 28083), (759, 26825), (825, 24679), (851, 23925), (925, 22011), (957, 21275), (1073, 18975), (1221, 16675), (1265, 16095), (1595, 12765), (1725, 11803), (2001, 10175), (2035, 10005), (2175, 9361), (2553, 7975), (2775, 7337), (3219, 6325), (3335, 6105), (3795, 5365), (4255, 4785)]