20853315

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22067}}^1$

素因数の和:22088

約数の個数: 32

約数和(自身を含む): 42370560

約数和(自身を除く): 21517245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22067, 66201, 110335, 154469, 198603, 331005, 463407, 595809, 772345, 993015, 1390221, 2317035, 2979045, 4170663, 6951105, 20853315]

約数ペア:

[(1, 20853315), (3, 6951105), (5, 4170663), (7, 2979045), (9, 2317035), (15, 1390221), (21, 993015), (27, 772345), (35, 595809), (45, 463407), (63, 331005), (105, 198603), (135, 154469), (189, 110335), (315, 66201), (945, 22067)]