20172838180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{30133}}^1$

素因数の和:30349

約数の個数: 96

約数和(自身を含む): 49207616640

約数和(自身を除く): 29034778460

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 179, 187, 220, 340, 358, 374, 716, 748, 895, 935, 1790, 1870, 1969, 3043, 3580, 3740, 3938, 6086, 7876, 9845, 12172, 15215, 19690, 30133, 30430, 33473, 39380, 60266, 60860, 66946, 120532, 133892, 150665, 167365, 301330, 331463, 334730, 512261, 602660, 662926, 669460, 1024522, 1325852, 1657315, 2049044, 2561305, 3314630, 5122610, 5393807, 5634871, 6629260, 10245220, 10787614, 11269742, 21575228, 22539484, 26969035, 28174355, 53938070, 56348710, 59331877, 91694719, 107876140, 112697420, 118663754, 183389438, 237327508, 296659385, 366778876, 458473595, 593318770, 916947190, 1008641909, 1186637540, 1833894380, 2017283818, 4034567636, 5043209545, 10086419090, 20172838180]

約数ペア:

[(1, 20172838180), (2, 10086419090), (4, 5043209545), (5, 4034567636), (10, 2017283818), (11, 1833894380), (17, 1186637540), (20, 1008641909), (22, 916947190), (34, 593318770), (44, 458473595), (55, 366778876), (68, 296659385), (85, 237327508), (110, 183389438), (170, 118663754), (179, 112697420), (187, 107876140), (220, 91694719), (340, 59331877), (358, 56348710), (374, 53938070), (716, 28174355), (748, 26969035), (895, 22539484), (935, 21575228), (1790, 11269742), (1870, 10787614), (1969, 10245220), (3043, 6629260), (3580, 5634871), (3740, 5393807), (3938, 5122610), (6086, 3314630), (7876, 2561305), (9845, 2049044), (12172, 1657315), (15215, 1325852), (19690, 1024522), (30133, 669460), (30430, 662926), (33473, 602660), (39380, 512261), (60266, 334730), (60860, 331463), (66946, 301330), (120532, 167365), (133892, 150665)]