20470845

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{20369}}^1$

素因数の和:20444

約数の個数: 16

約数和(自身を含む): 33243840

約数和(自身を除く): 12772995

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 20369, 61107, 101845, 305535, 1364723, 4094169, 6823615, 20470845]

約数ペア:

[(1, 20470845), (3, 6823615), (5, 4094169), (15, 1364723), (67, 305535), (201, 101845), (335, 61107), (1005, 20369)]