20172047945

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1051}}^1\times {\mathrm{14821}}^1$

素因数の和:15921

約数の個数: 32

約数和(自身を含む): 28441165056

約数和(自身を除く): 8269117111

約数列:

[1, 5, 7, 35, 37, 185, 259, 1051, 1295, 5255, 7357, 14821, 36785, 38887, 74105, 103747, 194435, 272209, 518735, 548377, 1361045, 2741885, 3838639, 15576871, 19193195, 77884355, 109038097, 545190485, 576344227, 2881721135, 4034409589, 20172047945]

約数ペア:

[(1, 20172047945), (5, 4034409589), (7, 2881721135), (35, 576344227), (37, 545190485), (185, 109038097), (259, 77884355), (1051, 19193195), (1295, 15576871), (5255, 3838639), (7357, 2741885), (14821, 1361045), (36785, 548377), (38887, 518735), (74105, 272209), (103747, 194435)]