20074256

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:551

約数の個数: 40

約数和(自身を含む): 40497408

約数和(自身を除く): 20423152

約数列:

[1, 2, 4, 8, 16, 41, 71, 82, 142, 164, 284, 328, 431, 568, 656, 862, 1136, 1724, 2911, 3448, 5822, 6896, 11644, 17671, 23288, 30601, 35342, 46576, 61202, 70684, 122404, 141368, 244808, 282736, 489616, 1254641, 2509282, 5018564, 10037128, 20074256]

約数ペア:

[(1, 20074256), (2, 10037128), (4, 5018564), (8, 2509282), (16, 1254641), (41, 489616), (71, 282736), (82, 244808), (142, 141368), (164, 122404), (284, 70684), (328, 61202), (431, 46576), (568, 35342), (656, 30601), (862, 23288), (1136, 17671), (1724, 11644), (2911, 6896), (3448, 5822)]