20443312

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{4547}}^1$

素因数の和:4836

約数の個数: 20

約数和(自身を含む): 39758616

約数和(自身を除く): 19315304

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4496, 4547, 9094, 18188, 36376, 72752, 1277707, 2555414, 5110828, 10221656, 20443312]

約数ペア:

[(1, 20443312), (2, 10221656), (4, 5110828), (8, 2555414), (16, 1277707), (281, 72752), (562, 36376), (1124, 18188), (2248, 9094), (4496, 4547)]