20605364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8431}}^1$

素因数の和:8495

約数の個数: 24

約数和(自身を含む): 39664128

約数和(自身を除く): 19058764

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 8431, 16862, 33724, 109603, 219206, 396257, 438412, 792514, 1585028, 5151341, 10302682, 20605364]

約数ペア:

[(1, 20605364), (2, 10302682), (4, 5151341), (13, 1585028), (26, 792514), (47, 438412), (52, 396257), (94, 219206), (188, 109603), (611, 33724), (1222, 16862), (2444, 8431)]