20157388715

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{15193}}^1$

素因数の和:15443

約数の個数: 32

約数和(自身を含む): 25730127360

約数和(自身を除く): 5572738645

約数列:

[1, 5, 23, 83, 115, 139, 415, 695, 1909, 3197, 9545, 11537, 15193, 15985, 57685, 75965, 265351, 349439, 1261019, 1326755, 1747195, 2111827, 6305095, 10559135, 29003437, 48572021, 145017185, 175281641, 242860105, 876408205, 4031477743, 20157388715]

約数ペア:

[(1, 20157388715), (5, 4031477743), (23, 876408205), (83, 242860105), (115, 175281641), (139, 145017185), (415, 48572021), (695, 29003437), (1909, 10559135), (3197, 6305095), (9545, 2111827), (11537, 1747195), (15193, 1326755), (15985, 1261019), (57685, 349439), (75965, 265351)]