20975256

素因数分解:

$2^3\times 3^2\times {\mathrm{317}}^1\times {\mathrm{919}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 57049200

約数和(自身を除く): 36073944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 317, 634, 919, 951, 1268, 1838, 1902, 2536, 2757, 2853, 3676, 3804, 5514, 5706, 7352, 7608, 8271, 11028, 11412, 16542, 22056, 22824, 33084, 66168, 291323, 582646, 873969, 1165292, 1747938, 2330584, 2621907, 3495876, 5243814, 6991752, 10487628, 20975256]

約数ペア:

[(1, 20975256), (2, 10487628), (3, 6991752), (4, 5243814), (6, 3495876), (8, 2621907), (9, 2330584), (12, 1747938), (18, 1165292), (24, 873969), (36, 582646), (72, 291323), (317, 66168), (634, 33084), (919, 22824), (951, 22056), (1268, 16542), (1838, 11412), (1902, 11028), (2536, 8271), (2757, 7608), (2853, 7352), (3676, 5706), (3804, 5514)]