20736008

素因数分解:

$2^3\times {\mathrm{307}}^1\times {\mathrm{8443}}^1$

素因数の和:8756

約数の個数: 16

約数和(自身を含む): 39011280

約数和(自身を除く): 18275272

約数列:

[1, 2, 4, 8, 307, 614, 1228, 2456, 8443, 16886, 33772, 67544, 2592001, 5184002, 10368004, 20736008]

約数ペア:

[(1, 20736008), (2, 10368004), (4, 5184002), (8, 2592001), (307, 67544), (614, 33772), (1228, 16886), (2456, 8443)]