20156724

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79987}}^1$

素因数の和:80004

約数の個数: 36

約数和(自身を含む): 58231264

約数和(自身を除く): 38074540

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 79987, 159974, 239961, 319948, 479922, 559909, 719883, 959844, 1119818, 1439766, 1679727, 2239636, 2879532, 3359454, 5039181, 6718908, 10078362, 20156724]

約数ペア:

[(1, 20156724), (2, 10078362), (3, 6718908), (4, 5039181), (6, 3359454), (7, 2879532), (9, 2239636), (12, 1679727), (14, 1439766), (18, 1119818), (21, 959844), (28, 719883), (36, 559909), (42, 479922), (63, 319948), (84, 239961), (126, 159974), (252, 79987)]