20180449947

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56527871}}^1$

素因数の和:56527898

約数の個数: 16

約数和(自身を含む): 32560054272

約数和(自身を除く): 12379604325

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56527871, 169583613, 395695097, 960973807, 1187085291, 2882921421, 6726816649, 20180449947]

約数ペア:

[(1, 20180449947), (3, 6726816649), (7, 2882921421), (17, 1187085291), (21, 960973807), (51, 395695097), (119, 169583613), (357, 56527871)]