20159748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79999}}^1$

素因数の和:80016

約数の個数: 36

約数和(自身を含む): 58240000

約数和(自身を除く): 38080252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 79999, 159998, 239997, 319996, 479994, 559993, 719991, 959988, 1119986, 1439982, 1679979, 2239972, 2879964, 3359958, 5039937, 6719916, 10079874, 20159748]

約数ペア:

[(1, 20159748), (2, 10079874), (3, 6719916), (4, 5039937), (6, 3359958), (7, 2879964), (9, 2239972), (12, 1679979), (14, 1439982), (18, 1119986), (21, 959988), (28, 719991), (36, 559993), (42, 479994), (63, 319996), (84, 239997), (126, 159998), (252, 79999)]