20772568

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{63331}}^1$

素因数の和:63378

約数の個数: 16

約数和(自身を含む): 39899160

約数和(自身を除く): 19126592

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 63331, 126662, 253324, 506648, 2596571, 5193142, 10386284, 20772568]

約数ペア:

[(1, 20772568), (2, 10386284), (4, 5193142), (8, 2596571), (41, 506648), (82, 253324), (164, 126662), (328, 63331)]