20206857

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 31150080

約数和(自身を除く): 10943223

約数列:

[1, 3, 11, 23, 33, 69, 79, 237, 253, 337, 759, 869, 1011, 1817, 2607, 3707, 5451, 7751, 11121, 19987, 23253, 26623, 59961, 79869, 85261, 255783, 292853, 612329, 878559, 1836987, 6735619, 20206857]

約数ペア:

[(1, 20206857), (3, 6735619), (11, 1836987), (23, 878559), (33, 612329), (69, 292853), (79, 255783), (237, 85261), (253, 79869), (337, 59961), (759, 26623), (869, 23253), (1011, 19987), (1817, 11121), (2607, 7751), (3707, 5451)]