20138127

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2741}}^1$

素因数の和:2854

約数の個数: 16

約数和(自身を含む): 28078080

約数和(自身を除く): 7939953

約数列:

[1, 3, 31, 79, 93, 237, 2449, 2741, 7347, 8223, 84971, 216539, 254913, 649617, 6712709, 20138127]

約数ペア:

[(1, 20138127), (3, 6712709), (31, 649617), (79, 254913), (93, 216539), (237, 84971), (2449, 8223), (2741, 7347)]