20309724

素因数分解:

$2^2\times 3^3\times {\mathrm{383}}^1\times {\mathrm{491}}^1$

素因数の和:887

約数の個数: 48

約数和(自身を含む): 52899840

約数和(自身を除く): 32590116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 383, 491, 766, 982, 1149, 1473, 1532, 1964, 2298, 2946, 3447, 4419, 4596, 5892, 6894, 8838, 10341, 13257, 13788, 17676, 20682, 26514, 41364, 53028, 188053, 376106, 564159, 752212, 1128318, 1692477, 2256636, 3384954, 5077431, 6769908, 10154862, 20309724]

約数ペア:

[(1, 20309724), (2, 10154862), (3, 6769908), (4, 5077431), (6, 3384954), (9, 2256636), (12, 1692477), (18, 1128318), (27, 752212), (36, 564159), (54, 376106), (108, 188053), (383, 53028), (491, 41364), (766, 26514), (982, 20682), (1149, 17676), (1473, 13788), (1532, 13257), (1964, 10341), (2298, 8838), (2946, 6894), (3447, 5892), (4419, 4596)]