20447025

素因数分解:

$3^1\times 5^2\times {\mathrm{227}}^1\times {\mathrm{1201}}^1$

素因数の和:1441

約数の個数: 24

約数和(自身を含む): 33982944

約数和(自身を除く): 13535919

約数列:

[1, 3, 5, 15, 25, 75, 227, 681, 1135, 1201, 3405, 3603, 5675, 6005, 17025, 18015, 30025, 90075, 272627, 817881, 1363135, 4089405, 6815675, 20447025]

約数ペア:

[(1, 20447025), (3, 6815675), (5, 4089405), (15, 1363135), (25, 817881), (75, 272627), (227, 90075), (681, 30025), (1135, 18015), (1201, 17025), (3405, 6005), (3603, 5675)]