20179934643

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{972199}}^1$

素因数の和:972267

約数の個数: 32

約数和(自身を含む): 31919270400

約数和(自身を除く): 11739335757

約数列:

[1, 3, 11, 17, 33, 37, 51, 111, 187, 407, 561, 629, 1221, 1887, 6919, 20757, 972199, 2916597, 10694189, 16527383, 32082567, 35971363, 49582149, 107914089, 181801213, 395684993, 545403639, 611513171, 1187054979, 1834539513, 6726644881, 20179934643]

約数ペア:

[(1, 20179934643), (3, 6726644881), (11, 1834539513), (17, 1187054979), (33, 611513171), (37, 545403639), (51, 395684993), (111, 181801213), (187, 107914089), (407, 49582149), (561, 35971363), (629, 32082567), (1221, 16527383), (1887, 10694189), (6919, 2916597), (20757, 972199)]