20266960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36191}}^1$

素因数の和:36211

約数の個数: 40

約数和(自身を含む): 53853696

約数和(自身を除く): 33586736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36191, 72382, 144764, 180955, 253337, 289528, 361910, 506674, 579056, 723820, 1013348, 1266685, 1447640, 2026696, 2533370, 2895280, 4053392, 5066740, 10133480, 20266960]

約数ペア:

[(1, 20266960), (2, 10133480), (4, 5066740), (5, 4053392), (7, 2895280), (8, 2533370), (10, 2026696), (14, 1447640), (16, 1266685), (20, 1013348), (28, 723820), (35, 579056), (40, 506674), (56, 361910), (70, 289528), (80, 253337), (112, 180955), (140, 144764), (280, 72382), (560, 36191)]