20960178

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{593}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 43281216

約数和(自身を除く): 22321038

約数列:

[1, 2, 3, 6, 43, 86, 129, 137, 258, 274, 411, 593, 822, 1186, 1779, 3558, 5891, 11782, 17673, 25499, 35346, 50998, 76497, 81241, 152994, 162482, 243723, 487446, 3493363, 6986726, 10480089, 20960178]

約数ペア:

[(1, 20960178), (2, 10480089), (3, 6986726), (6, 3493363), (43, 487446), (86, 243723), (129, 162482), (137, 152994), (258, 81241), (274, 76497), (411, 50998), (593, 35346), (822, 25499), (1186, 17673), (1779, 11782), (3558, 5891)]