20782424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199831}}^1$

素因数の和:199850

約数の個数: 16

約数和(自身を含む): 41964720

約数和(自身を除く): 21182296

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199831, 399662, 799324, 1598648, 2597803, 5195606, 10391212, 20782424]

約数ペア:

[(1, 20782424), (2, 10391212), (4, 5195606), (8, 2597803), (13, 1598648), (26, 799324), (52, 399662), (104, 199831)]