20456415

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21647}}^1$

素因数の和:21668

約数の個数: 32

約数和(自身を含む): 41564160

約数和(自身を除く): 21107745

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21647, 64941, 108235, 151529, 194823, 324705, 454587, 584469, 757645, 974115, 1363761, 2272935, 2922345, 4091283, 6818805, 20456415]

約数ペア:

[(1, 20456415), (3, 6818805), (5, 4091283), (7, 2922345), (9, 2272935), (15, 1363761), (21, 974115), (27, 757645), (35, 584469), (45, 454587), (63, 324705), (105, 194823), (135, 151529), (189, 108235), (315, 64941), (945, 21647)]