20576164

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38677}}^1$

素因数の和:38707

約数の個数: 24

約数和(自身を含む): 43319360

約数和(自身を除く): 22743196

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 38677, 77354, 154708, 270739, 541478, 734863, 1082956, 1469726, 2939452, 5144041, 10288082, 20576164]

約数ペア:

[(1, 20576164), (2, 10288082), (4, 5144041), (7, 2939452), (14, 1469726), (19, 1082956), (28, 734863), (38, 541478), (76, 270739), (133, 154708), (266, 77354), (532, 38677)]