20851282

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 34781184

約数和(自身を除く): 13929902

約数列:

[1, 2, 17, 31, 34, 62, 73, 146, 271, 527, 542, 1054, 1241, 2263, 2482, 4526, 4607, 8401, 9214, 16802, 19783, 38471, 39566, 76942, 142817, 285634, 336311, 613273, 672622, 1226546, 10425641, 20851282]

約数ペア:

[(1, 20851282), (2, 10425641), (17, 1226546), (31, 672622), (34, 613273), (62, 336311), (73, 285634), (146, 142817), (271, 76942), (527, 39566), (542, 38471), (1054, 19783), (1241, 16802), (2263, 9214), (2482, 8401), (4526, 4607)]