20451150

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{15149}}^1$

素因数の和:15170

約数の個数: 48

約数和(自身を含む): 56358000

約数和(自身を除く): 35906850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 135, 150, 225, 270, 450, 675, 1350, 15149, 30298, 45447, 75745, 90894, 136341, 151490, 227235, 272682, 378725, 409023, 454470, 681705, 757450, 818046, 1136175, 1363410, 2045115, 2272350, 3408525, 4090230, 6817050, 10225575, 20451150]

約数ペア:

[(1, 20451150), (2, 10225575), (3, 6817050), (5, 4090230), (6, 3408525), (9, 2272350), (10, 2045115), (15, 1363410), (18, 1136175), (25, 818046), (27, 757450), (30, 681705), (45, 454470), (50, 409023), (54, 378725), (75, 272682), (90, 227235), (135, 151490), (150, 136341), (225, 90894), (270, 75745), (450, 45447), (675, 30298), (1350, 15149)]