20729514

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8573}}^1$

素因数の和:8622

約数の個数: 32

約数和(自身を含む): 46093824

約数和(自身を除く): 25364310

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8573, 17146, 25719, 51438, 111449, 222898, 265763, 334347, 531526, 668694, 797289, 1594578, 3454919, 6909838, 10364757, 20729514]

約数ペア:

[(1, 20729514), (2, 10364757), (3, 6909838), (6, 3454919), (13, 1594578), (26, 797289), (31, 668694), (39, 531526), (62, 334347), (78, 265763), (93, 222898), (186, 111449), (403, 51438), (806, 25719), (1209, 17146), (2418, 8573)]