20112660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3853}}^1$

素因数の和:3897

約数の個数: 72

約数和(自身を含む): 63128520

約数和(自身を除く): 43015860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 3853, 5220, 7706, 11559, 15412, 19265, 23118, 34677, 38530, 46236, 57795, 69354, 77060, 111737, 115590, 138708, 173385, 223474, 231180, 335211, 346770, 446948, 558685, 670422, 693540, 1005633, 1117370, 1340844, 1676055, 2011266, 2234740, 3352110, 4022532, 5028165, 6704220, 10056330, 20112660]

約数ペア:

[(1, 20112660), (2, 10056330), (3, 6704220), (4, 5028165), (5, 4022532), (6, 3352110), (9, 2234740), (10, 2011266), (12, 1676055), (15, 1340844), (18, 1117370), (20, 1005633), (29, 693540), (30, 670422), (36, 558685), (45, 446948), (58, 346770), (60, 335211), (87, 231180), (90, 223474), (116, 173385), (145, 138708), (174, 115590), (180, 111737), (261, 77060), (290, 69354), (348, 57795), (435, 46236), (522, 38530), (580, 34677), (870, 23118), (1044, 19265), (1305, 15412), (1740, 11559), (2610, 7706), (3853, 5220)]