20217482

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12373}}^1$

素因数の和:12437

約数の個数: 16

約数和(自身を含む): 32667360

約数和(自身を除く): 12449878

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 12373, 24746, 235087, 470174, 532039, 1064078, 10108741, 20217482]

約数ペア:

[(1, 20217482), (2, 10108741), (19, 1064078), (38, 532039), (43, 470174), (86, 235087), (817, 24746), (1634, 12373)]