20752875

素因数分解:

$3^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:91

約数の個数: 128

約数和(自身を含む): 46126080

約数和(自身を除く): 25373205

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 27, 33, 39, 43, 45, 55, 65, 75, 99, 117, 125, 129, 135, 143, 165, 195, 215, 225, 275, 297, 325, 351, 375, 387, 429, 473, 495, 559, 585, 645, 675, 715, 825, 975, 1075, 1125, 1161, 1287, 1375, 1419, 1485, 1625, 1677, 1755, 1935, 2145, 2365, 2475, 2795, 2925, 3225, 3375, 3575, 3861, 4125, 4257, 4875, 5031, 5375, 5805, 6149, 6435, 7095, 7425, 8385, 8775, 9675, 10725, 11825, 12375, 12771, 13975, 14625, 15093, 16125, 17875, 18447, 19305, 21285, 25155, 29025, 30745, 32175, 35475, 37125, 41925, 43875, 48375, 53625, 55341, 59125, 63855, 69875, 75465, 92235, 96525, 106425, 125775, 145125, 153725, 160875, 166023, 177375, 209625, 276705, 319275, 377325, 461175, 482625, 532125, 628875, 768625, 830115, 1383525, 1596375, 1886625, 2305875, 4150575, 6917625, 20752875]

約数ペア:

[(1, 20752875), (3, 6917625), (5, 4150575), (9, 2305875), (11, 1886625), (13, 1596375), (15, 1383525), (25, 830115), (27, 768625), (33, 628875), (39, 532125), (43, 482625), (45, 461175), (55, 377325), (65, 319275), (75, 276705), (99, 209625), (117, 177375), (125, 166023), (129, 160875), (135, 153725), (143, 145125), (165, 125775), (195, 106425), (215, 96525), (225, 92235), (275, 75465), (297, 69875), (325, 63855), (351, 59125), (375, 55341), (387, 53625), (429, 48375), (473, 43875), (495, 41925), (559, 37125), (585, 35475), (645, 32175), (675, 30745), (715, 29025), (825, 25155), (975, 21285), (1075, 19305), (1125, 18447), (1161, 17875), (1287, 16125), (1375, 15093), (1419, 14625), (1485, 13975), (1625, 12771), (1677, 12375), (1755, 11825), (1935, 10725), (2145, 9675), (2365, 8775), (2475, 8385), (2795, 7425), (2925, 7095), (3225, 6435), (3375, 6149), (3575, 5805), (3861, 5375), (4125, 5031), (4257, 4875)]