20312775

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{1433}}^1$

素因数の和:1462

約数の個数: 60

約数和(自身を含む): 43031472

約数和(自身を除く): 22718697

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 175, 189, 225, 315, 405, 525, 567, 675, 945, 1433, 1575, 2025, 2835, 4299, 4725, 7165, 10031, 12897, 14175, 21495, 30093, 35825, 38691, 50155, 64485, 90279, 107475, 116073, 150465, 193455, 250775, 270837, 322425, 451395, 580365, 752325, 812511, 967275, 1354185, 2256975, 2901825, 4062555, 6770925, 20312775]

約数ペア:

[(1, 20312775), (3, 6770925), (5, 4062555), (7, 2901825), (9, 2256975), (15, 1354185), (21, 967275), (25, 812511), (27, 752325), (35, 580365), (45, 451395), (63, 322425), (75, 270837), (81, 250775), (105, 193455), (135, 150465), (175, 116073), (189, 107475), (225, 90279), (315, 64485), (405, 50155), (525, 38691), (567, 35825), (675, 30093), (945, 21495), (1433, 14175), (1575, 12897), (2025, 10031), (2835, 7165), (4299, 4725)]