20659316

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 37002336

約数和(自身を除く): 16343020

約数列:

[1, 2, 4, 67, 134, 157, 268, 314, 491, 628, 982, 1964, 10519, 21038, 32897, 42076, 65794, 77087, 131588, 154174, 308348, 5164829, 10329658, 20659316]

約数ペア:

[(1, 20659316), (2, 10329658), (4, 5164829), (67, 308348), (134, 154174), (157, 131588), (268, 77087), (314, 65794), (491, 42076), (628, 32897), (982, 21038), (1964, 10519)]