20320852064

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{1721}}^1\times {\mathrm{5197}}^1$

素因数の和:6999

約数の個数: 48

約数和(自身を含む): 40601536416

約数和(自身を除く): 20280684352

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 1721, 2272, 3442, 5197, 6884, 10394, 13768, 20788, 27536, 41576, 55072, 83152, 122191, 166304, 244382, 368987, 488764, 737974, 977528, 1475948, 1955056, 2951896, 3910112, 5903792, 8944037, 11807584, 17888074, 35776148, 71552296, 143104592, 286209184, 635026627, 1270053254, 2540106508, 5080213016, 10160426032, 20320852064]

約数ペア:

[(1, 20320852064), (2, 10160426032), (4, 5080213016), (8, 2540106508), (16, 1270053254), (32, 635026627), (71, 286209184), (142, 143104592), (284, 71552296), (568, 35776148), (1136, 17888074), (1721, 11807584), (2272, 8944037), (3442, 5903792), (5197, 3910112), (6884, 2951896), (10394, 1955056), (13768, 1475948), (20788, 977528), (27536, 737974), (41576, 488764), (55072, 368987), (83152, 244382), (122191, 166304)]