20174739739

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1\times {\mathrm{5897}}^1$

素因数の和:6355

約数の個数: 32

約数和(自身を含む): 25406885376

約数和(自身を除く): 5232145637

約数列:

[1, 7, 11, 77, 157, 283, 1099, 1727, 1981, 3113, 5897, 12089, 21791, 41279, 44431, 64867, 311017, 454069, 488741, 925829, 1668851, 3421187, 6480803, 10184119, 11681957, 18357361, 71288833, 128501527, 262009607, 1834067249, 2882105677, 20174739739]

約数ペア:

[(1, 20174739739), (7, 2882105677), (11, 1834067249), (77, 262009607), (157, 128501527), (283, 71288833), (1099, 18357361), (1727, 11681957), (1981, 10184119), (3113, 6480803), (5897, 3421187), (12089, 1668851), (21791, 925829), (41279, 488741), (44431, 454069), (64867, 311017)]