20570316

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131861}}^1$

素因数の和:131881

約数の個数: 24

約数和(自身を含む): 51689904

約数和(自身を除く): 31119588

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131861, 263722, 395583, 527444, 791166, 1582332, 1714193, 3428386, 5142579, 6856772, 10285158, 20570316]

約数ペア:

[(1, 20570316), (2, 10285158), (3, 6856772), (4, 5142579), (6, 3428386), (12, 1714193), (13, 1582332), (26, 791166), (39, 527444), (52, 395583), (78, 263722), (156, 131861)]