20078415

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21247}}^1$

素因数の和:21268

約数の個数: 32

約数和(自身を含む): 40796160

約数和(自身を除く): 20717745

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21247, 63741, 106235, 148729, 191223, 318705, 446187, 573669, 743645, 956115, 1338561, 2230935, 2868345, 4015683, 6692805, 20078415]

約数ペア:

[(1, 20078415), (3, 6692805), (5, 4015683), (7, 2868345), (9, 2230935), (15, 1338561), (21, 956115), (27, 743645), (35, 573669), (45, 446187), (63, 318705), (105, 191223), (135, 148729), (189, 106235), (315, 63741), (945, 21247)]