20317836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1999}}^1$

素因数の和:2035

約数の個数: 72

約数和(自身を含む): 59584000

約数和(自身を除く): 39266164

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 231, 242, 308, 363, 462, 484, 726, 847, 924, 1452, 1694, 1999, 2541, 3388, 3998, 5082, 5997, 7996, 10164, 11994, 13993, 21989, 23988, 27986, 41979, 43978, 55972, 65967, 83958, 87956, 131934, 153923, 167916, 241879, 263868, 307846, 461769, 483758, 615692, 725637, 923538, 967516, 1451274, 1693153, 1847076, 2902548, 3386306, 5079459, 6772612, 10158918, 20317836]

約数ペア:

[(1, 20317836), (2, 10158918), (3, 6772612), (4, 5079459), (6, 3386306), (7, 2902548), (11, 1847076), (12, 1693153), (14, 1451274), (21, 967516), (22, 923538), (28, 725637), (33, 615692), (42, 483758), (44, 461769), (66, 307846), (77, 263868), (84, 241879), (121, 167916), (132, 153923), (154, 131934), (231, 87956), (242, 83958), (308, 65967), (363, 55972), (462, 43978), (484, 41979), (726, 27986), (847, 23988), (924, 21989), (1452, 13993), (1694, 11994), (1999, 10164), (2541, 7996), (3388, 5997), (3998, 5082)]