20911254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38299}}^1$

素因数の和:38324

約数の個数: 32

約数和(自身を含む): 51475200

約数和(自身を除く): 30563946

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 38299, 76598, 114897, 229794, 268093, 497887, 536186, 804279, 995774, 1493661, 1608558, 2987322, 3485209, 6970418, 10455627, 20911254]

約数ペア:

[(1, 20911254), (2, 10455627), (3, 6970418), (6, 3485209), (7, 2987322), (13, 1608558), (14, 1493661), (21, 995774), (26, 804279), (39, 536186), (42, 497887), (78, 268093), (91, 229794), (182, 114897), (273, 76598), (546, 38299)]