20173426

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{557}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 17324174

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 199, 398, 557, 1114, 1393, 2587, 2786, 3899, 5174, 7241, 7798, 14482, 18109, 36218, 50687, 101374, 110843, 221686, 775901, 1440959, 1551802, 2881918, 10086713, 20173426]

約数ペア:

[(1, 20173426), (2, 10086713), (7, 2881918), (13, 1551802), (14, 1440959), (26, 775901), (91, 221686), (182, 110843), (199, 101374), (398, 50687), (557, 36218), (1114, 18109), (1393, 14482), (2587, 7798), (2786, 7241), (3899, 5174)]