20213615

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{653}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 25050816

約数和(自身を除く): 4837201

約数列:

[1, 5, 41, 151, 205, 653, 755, 3265, 6191, 26773, 30955, 98603, 133865, 493015, 4042723, 20213615]

約数ペア:

[(1, 20213615), (5, 4042723), (41, 493015), (151, 133865), (205, 98603), (653, 30955), (755, 26773), (3265, 6191)]