20930183152

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1\times {\mathrm{787}}^1$

素因数の和:1478

約数の個数: 80

約数和(自身を含む): 42253795584

約数和(自身を除く): 21323612432

約数列:

[1, 2, 4, 8, 16, 41, 71, 82, 142, 164, 284, 328, 568, 571, 656, 787, 1136, 1142, 1574, 2284, 2911, 3148, 4568, 5822, 6296, 9136, 11644, 12592, 23288, 23411, 32267, 40541, 46576, 46822, 55877, 64534, 81082, 93644, 111754, 129068, 162164, 187288, 223508, 258136, 324328, 374576, 447016, 449377, 516272, 648656, 894032, 898754, 1662181, 1797508, 2290957, 3324362, 3595016, 4581914, 6648724, 7190032, 9163828, 13297448, 18327656, 18424457, 26594896, 31905767, 36655312, 36848914, 63811534, 73697828, 127623068, 147395656, 255246136, 294791312, 510492272, 1308136447, 2616272894, 5232545788, 10465091576, 20930183152]

約数ペア:

[(1, 20930183152), (2, 10465091576), (4, 5232545788), (8, 2616272894), (16, 1308136447), (41, 510492272), (71, 294791312), (82, 255246136), (142, 147395656), (164, 127623068), (284, 73697828), (328, 63811534), (568, 36848914), (571, 36655312), (656, 31905767), (787, 26594896), (1136, 18424457), (1142, 18327656), (1574, 13297448), (2284, 9163828), (2911, 7190032), (3148, 6648724), (4568, 4581914), (5822, 3595016), (6296, 3324362), (9136, 2290957), (11644, 1797508), (12592, 1662181), (23288, 898754), (23411, 894032), (32267, 648656), (40541, 516272), (46576, 449377), (46822, 447016), (55877, 374576), (64534, 324328), (81082, 258136), (93644, 223508), (111754, 187288), (129068, 162164)]