20871036221

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1\times {\mathrm{5407}}^1$

素因数の和:5793

約数の個数: 32

約数和(自身を含む): 25543065600

約数和(自身を除く): 4672029379

約数列:

[1, 7, 17, 119, 163, 199, 1141, 1393, 2771, 3383, 5407, 19397, 23681, 32437, 37849, 91919, 227059, 551429, 643433, 881341, 1075993, 3860003, 6169387, 7531951, 14982797, 18291881, 104879579, 128043167, 175386859, 1227708013, 2981576603, 20871036221]

約数ペア:

[(1, 20871036221), (7, 2981576603), (17, 1227708013), (119, 175386859), (163, 128043167), (199, 104879579), (1141, 18291881), (1393, 14982797), (2771, 7531951), (3383, 6169387), (5407, 3860003), (19397, 1075993), (23681, 881341), (32437, 643433), (37849, 551429), (91919, 227059)]