20004365

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{883}}^1$

素因数の和:1108

約数の個数: 16

約数和(自身を含む): 25204608

約数和(自身を除く): 5200243

約数列:

[1, 5, 23, 115, 197, 883, 985, 4415, 4531, 20309, 22655, 101545, 173951, 869755, 4000873, 20004365]

約数ペア:

[(1, 20004365), (5, 4000873), (23, 869755), (115, 173951), (197, 101545), (883, 22655), (985, 20309), (4415, 4531)]