20809333792

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{8191}}^1$

素因数の和:8442

約数の個数: 96

約数和(自身を含む): 45779779584

約数和(自身を除く): 24970445792

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 197, 208, 248, 394, 403, 416, 496, 788, 806, 992, 1576, 1612, 2561, 3152, 3224, 5122, 6107, 6304, 6448, 8191, 10244, 12214, 12896, 16382, 20488, 24428, 32764, 40976, 48856, 65528, 79391, 81952, 97712, 106483, 131056, 158782, 195424, 212966, 253921, 262112, 317564, 425932, 507842, 635128, 851864, 1015684, 1270256, 1613627, 1703728, 2031368, 2540512, 3227254, 3300973, 3407456, 4062736, 6454508, 6601946, 8125472, 12909016, 13203892, 20977151, 25818032, 26407784, 41954302, 50022437, 51636064, 52815568, 83908604, 100044874, 105631136, 167817208, 200089748, 335634416, 400179496, 650291681, 671268832, 800358992, 1300583362, 1600717984, 2601166724, 5202333448, 10404666896, 20809333792]

約数ペア:

[(1, 20809333792), (2, 10404666896), (4, 5202333448), (8, 2601166724), (13, 1600717984), (16, 1300583362), (26, 800358992), (31, 671268832), (32, 650291681), (52, 400179496), (62, 335634416), (104, 200089748), (124, 167817208), (197, 105631136), (208, 100044874), (248, 83908604), (394, 52815568), (403, 51636064), (416, 50022437), (496, 41954302), (788, 26407784), (806, 25818032), (992, 20977151), (1576, 13203892), (1612, 12909016), (2561, 8125472), (3152, 6601946), (3224, 6454508), (5122, 4062736), (6107, 3407456), (6304, 3300973), (6448, 3227254), (8191, 2540512), (10244, 2031368), (12214, 1703728), (12896, 1613627), (16382, 1270256), (20488, 1015684), (24428, 851864), (32764, 635128), (40976, 507842), (48856, 425932), (65528, 317564), (79391, 262112), (81952, 253921), (97712, 212966), (106483, 195424), (131056, 158782)]