20374870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28697}}^1$

素因数の和:28775

約数の個数: 16

約数和(自身を含む): 37192608

約数和(自身を除く): 16817738

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28697, 57394, 143485, 286970, 2037487, 4074974, 10187435, 20374870]

約数ペア:

[(1, 20374870), (2, 10187435), (5, 4074974), (10, 2037487), (71, 286970), (142, 143485), (355, 57394), (710, 28697)]