20754296

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{6343}}^1$

素因数の和:6758

約数の個数: 16

約数和(自身を含む): 39015600

約数和(自身を除く): 18261304

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 6343, 12686, 25372, 50744, 2594287, 5188574, 10377148, 20754296]

約数ペア:

[(1, 20754296), (2, 10377148), (4, 5188574), (8, 2594287), (409, 50744), (818, 25372), (1636, 12686), (3272, 6343)]