20611305

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3203}}^1$

素因数の和:3238

約数の個数: 48

約数和(自身を含む): 41985216

約数和(自身を除く): 21373911

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 99, 117, 143, 165, 195, 429, 495, 585, 715, 1287, 2145, 3203, 6435, 9609, 16015, 28827, 35233, 41639, 48045, 105699, 124917, 144135, 176165, 208195, 317097, 374751, 458029, 528495, 624585, 1374087, 1585485, 1873755, 2290145, 4122261, 6870435, 20611305]

約数ペア:

[(1, 20611305), (3, 6870435), (5, 4122261), (9, 2290145), (11, 1873755), (13, 1585485), (15, 1374087), (33, 624585), (39, 528495), (45, 458029), (55, 374751), (65, 317097), (99, 208195), (117, 176165), (143, 144135), (165, 124917), (195, 105699), (429, 48045), (495, 41639), (585, 35233), (715, 28827), (1287, 16015), (2145, 9609), (3203, 6435)]