20291215399

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{701}}^1\times {\mathrm{8597}}^1$

素因数の和:9355

約数の個数: 32

約数和(自身を含む): 25688347776

約数和(自身を除く): 5397132377

約数列:

[1, 7, 13, 37, 91, 259, 481, 701, 3367, 4907, 8597, 9113, 25937, 60179, 63791, 111761, 181559, 318089, 337181, 782327, 2226623, 2360267, 4135157, 6026497, 28946099, 42185479, 78344461, 222980389, 548411227, 1560862723, 2898745057, 20291215399]

約数ペア:

[(1, 20291215399), (7, 2898745057), (13, 1560862723), (37, 548411227), (91, 222980389), (259, 78344461), (481, 42185479), (701, 28946099), (3367, 6026497), (4907, 4135157), (8597, 2360267), (9113, 2226623), (25937, 782327), (60179, 337181), (63791, 318089), (111761, 181559)]