20717776

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14549}}^1$

素因数の和:14646

約数の個数: 20

約数和(自身を含む): 40594500

約数和(自身を除く): 19876724

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14549, 29098, 58196, 116392, 232784, 1294861, 2589722, 5179444, 10358888, 20717776]

約数ペア:

[(1, 20717776), (2, 10358888), (4, 5179444), (8, 2589722), (16, 1294861), (89, 232784), (178, 116392), (356, 58196), (712, 29098), (1424, 14549)]