20111493

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2837}}^1$

素因数の和:2996

約数の個数: 16

約数和(自身を含む): 28607040

約数和(自身を除く): 8495547

約数列:

[1, 3, 17, 51, 139, 417, 2363, 2837, 7089, 8511, 48229, 144687, 394343, 1183029, 6703831, 20111493]

約数ペア:

[(1, 20111493), (3, 6703831), (17, 1183029), (51, 394343), (139, 144687), (417, 48229), (2363, 8511), (2837, 7089)]