20168720024

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{332993}}^1$

素因数の和:333179

約数の個数: 32

約数和(自身を含む): 38720542320

約数和(自身を除く): 18551822296

約数列:

[1, 2, 4, 8, 67, 113, 134, 226, 268, 452, 536, 904, 7571, 15142, 30284, 60568, 332993, 665986, 1331972, 2663944, 22310531, 37628209, 44621062, 75256418, 89242124, 150512836, 178484248, 301025672, 2521090003, 5042180006, 10084360012, 20168720024]

約数ペア:

[(1, 20168720024), (2, 10084360012), (4, 5042180006), (8, 2521090003), (67, 301025672), (113, 178484248), (134, 150512836), (226, 89242124), (268, 75256418), (452, 44621062), (536, 37628209), (904, 22310531), (7571, 2663944), (15142, 1331972), (30284, 665986), (60568, 332993)]