20121542442

素因数分解:

$2^1\times 3^2\times {\mathrm{373}}^1\times {\mathrm{397}}^1\times {\mathrm{7549}}^1$

素因数の和:8327

約数の個数: 48

約数和(自身を含む): 43829471400

約数和(自身を除く): 23707928958

約数列:

[1, 2, 3, 6, 9, 18, 373, 397, 746, 794, 1119, 1191, 2238, 2382, 3357, 3573, 6714, 7146, 7549, 15098, 22647, 45294, 67941, 135882, 148081, 296162, 444243, 888486, 1332729, 2665458, 2815777, 2996953, 5631554, 5993906, 8447331, 8990859, 16894662, 17981718, 25341993, 26972577, 50683986, 53945154, 1117863469, 2235726938, 3353590407, 6707180814, 10060771221, 20121542442]

約数ペア:

[(1, 20121542442), (2, 10060771221), (3, 6707180814), (6, 3353590407), (9, 2235726938), (18, 1117863469), (373, 53945154), (397, 50683986), (746, 26972577), (794, 25341993), (1119, 17981718), (1191, 16894662), (2238, 8990859), (2382, 8447331), (3357, 5993906), (3573, 5631554), (6714, 2996953), (7146, 2815777), (7549, 2665458), (15098, 1332729), (22647, 888486), (45294, 444243), (67941, 296162), (135882, 148081)]