20388904

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{38039}}^1$

素因数の和:38112

約数の個数: 16

約数和(自身を含む): 38800800

約数和(自身を除く): 18411896

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 38039, 76078, 152156, 304312, 2548613, 5097226, 10194452, 20388904]

約数ペア:

[(1, 20388904), (2, 10194452), (4, 5097226), (8, 2548613), (67, 304312), (134, 152156), (268, 76078), (536, 38039)]