20213208

素因数分解:

$2^3\times 3^2\times {\mathrm{383}}^1\times {\mathrm{733}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 54961920

約数和(自身を除く): 34748712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 383, 733, 766, 1149, 1466, 1532, 2199, 2298, 2932, 3064, 3447, 4398, 4596, 5864, 6597, 6894, 8796, 9192, 13194, 13788, 17592, 26388, 27576, 52776, 280739, 561478, 842217, 1122956, 1684434, 2245912, 2526651, 3368868, 5053302, 6737736, 10106604, 20213208]

約数ペア:

[(1, 20213208), (2, 10106604), (3, 6737736), (4, 5053302), (6, 3368868), (8, 2526651), (9, 2245912), (12, 1684434), (18, 1122956), (24, 842217), (36, 561478), (72, 280739), (383, 52776), (733, 27576), (766, 26388), (1149, 17592), (1466, 13788), (1532, 13194), (2199, 9192), (2298, 8796), (2932, 6894), (3064, 6597), (3447, 5864), (4398, 4596)]