20597440

素因数分解:

$2^6\times 5^1\times {\mathrm{191}}^1\times {\mathrm{337}}^1$

素因数の和:545

約数の個数: 56

約数和(自身を含む): 49450752

約数和(自身を除く): 28853312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 191, 320, 337, 382, 674, 764, 955, 1348, 1528, 1685, 1910, 2696, 3056, 3370, 3820, 5392, 6112, 6740, 7640, 10784, 12224, 13480, 15280, 21568, 26960, 30560, 53920, 61120, 64367, 107840, 128734, 257468, 321835, 514936, 643670, 1029872, 1287340, 2059744, 2574680, 4119488, 5149360, 10298720, 20597440]

約数ペア:

[(1, 20597440), (2, 10298720), (4, 5149360), (5, 4119488), (8, 2574680), (10, 2059744), (16, 1287340), (20, 1029872), (32, 643670), (40, 514936), (64, 321835), (80, 257468), (160, 128734), (191, 107840), (320, 64367), (337, 61120), (382, 53920), (674, 30560), (764, 26960), (955, 21568), (1348, 15280), (1528, 13480), (1685, 12224), (1910, 10784), (2696, 7640), (3056, 6740), (3370, 6112), (3820, 5392)]