20681505

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35353}}^1$

素因数の和:35377

約数の個数: 24

約数和(自身を含む): 38606568

約数和(自身を除く): 17925063

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 35353, 106059, 176765, 318177, 459589, 530295, 1378767, 1590885, 2297945, 4136301, 6893835, 20681505]

約数ペア:

[(1, 20681505), (3, 6893835), (5, 4136301), (9, 2297945), (13, 1590885), (15, 1378767), (39, 530295), (45, 459589), (65, 318177), (117, 176765), (195, 106059), (585, 35353)]