20163770073

素因数分解:

$3^4\times {\mathrm{443}}^1\times {\mathrm{561931}}^1$

素因数の和:562386

約数の個数: 20

約数和(自身を含む): 30189234768

約数和(自身を除く): 10025464695

約数列:

[1, 3, 9, 27, 81, 443, 1329, 3987, 11961, 35883, 561931, 1685793, 5057379, 15172137, 45516411, 248935433, 746806299, 2240418897, 6721256691, 20163770073]

約数ペア:

[(1, 20163770073), (3, 6721256691), (9, 2240418897), (27, 746806299), (81, 248935433), (443, 45516411), (1329, 15172137), (3987, 5057379), (11961, 1685793), (35883, 561931)]