20474488

素因数分解:

$2^3\times {\mathrm{359}}^1\times {\mathrm{7129}}^1$

素因数の和:7494

約数の個数: 16

約数和(自身を含む): 38502000

約数和(自身を除く): 18027512

約数列:

[1, 2, 4, 8, 359, 718, 1436, 2872, 7129, 14258, 28516, 57032, 2559311, 5118622, 10237244, 20474488]

約数ペア:

[(1, 20474488), (2, 10237244), (4, 5118622), (8, 2559311), (359, 57032), (718, 28516), (1436, 14258), (2872, 7129)]