20521832

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{38287}}^1$

素因数の和:38360

約数の個数: 16

約数和(自身を含む): 39053760

約数和(自身を除く): 18531928

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 38287, 76574, 153148, 306296, 2565229, 5130458, 10260916, 20521832]

約数ペア:

[(1, 20521832), (2, 10260916), (4, 5130458), (8, 2565229), (67, 306296), (134, 153148), (268, 76574), (536, 38287)]