20216447279

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{463}}^1\times {\mathrm{467}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 25151413248

約数和(自身を除く): 4934965969

約数列:

[1, 7, 19, 37, 133, 259, 361, 463, 467, 703, 2527, 3241, 3269, 4921, 8797, 8873, 13357, 17131, 17279, 61579, 62111, 93499, 119917, 120953, 167143, 168587, 216221, 325489, 328301, 1170001, 1180109, 1513547, 2278423, 2298107, 4108199, 6184291, 6237719, 8000177, 28757393, 43290037, 43664033, 56001239, 78055781, 152003363, 546390467, 1064023541, 2888063897, 20216447279]

約数ペア:

[(1, 20216447279), (7, 2888063897), (19, 1064023541), (37, 546390467), (133, 152003363), (259, 78055781), (361, 56001239), (463, 43664033), (467, 43290037), (703, 28757393), (2527, 8000177), (3241, 6237719), (3269, 6184291), (4921, 4108199), (8797, 2298107), (8873, 2278423), (13357, 1513547), (17131, 1180109), (17279, 1170001), (61579, 328301), (62111, 325489), (93499, 216221), (119917, 168587), (120953, 167143)]