20096775

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1567}}^1$

素因数の和:1605

約数の個数: 48

約数和(自身を含む): 38886400

約数和(自身を除く): 18789625

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 675, 855, 1425, 1567, 2565, 4275, 4701, 7835, 12825, 14103, 23505, 29773, 39175, 42309, 70515, 89319, 117525, 148865, 211545, 267957, 352575, 446595, 744325, 803871, 1057725, 1339785, 2232975, 4019355, 6698925, 20096775]

約数ペア:

[(1, 20096775), (3, 6698925), (5, 4019355), (9, 2232975), (15, 1339785), (19, 1057725), (25, 803871), (27, 744325), (45, 446595), (57, 352575), (75, 267957), (95, 211545), (135, 148865), (171, 117525), (225, 89319), (285, 70515), (475, 42309), (513, 39175), (675, 29773), (855, 23505), (1425, 14103), (1567, 12825), (2565, 7835), (4275, 4701)]