20448904

素因数分解:

$2^3\times 7^1\times {\mathrm{365159}}^1$

素因数の和:365172

約数の個数: 16

約数和(自身を含む): 43819200

約数和(自身を除く): 23370296

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 365159, 730318, 1460636, 2556113, 2921272, 5112226, 10224452, 20448904]

約数ペア:

[(1, 20448904), (2, 10224452), (4, 5112226), (7, 2921272), (8, 2556113), (14, 1460636), (28, 730318), (56, 365159)]