20436568

素因数分解:

$2^3\times {\mathrm{281}}^1\times {\mathrm{9091}}^1$

素因数の和:9378

約数の個数: 16

約数和(自身を含む): 38459160

約数和(自身を除く): 18022592

約数列:

[1, 2, 4, 8, 281, 562, 1124, 2248, 9091, 18182, 36364, 72728, 2554571, 5109142, 10218284, 20436568]

約数ペア:

[(1, 20436568), (2, 10218284), (4, 5109142), (8, 2554571), (281, 72728), (562, 36364), (1124, 18182), (2248, 9091)]