20187631471

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{72649}}^1$

素因数の和:72823

約数の個数: 24

約数和(自身を含む): 24150603600

約数和(自身を除く): 3962972129

約数列:

[1, 7, 49, 53, 107, 371, 749, 2597, 5243, 5671, 39697, 72649, 277879, 508543, 3559801, 3850397, 7773443, 26952779, 54414101, 188669453, 380898707, 411992479, 2883947353, 20187631471]

約数ペア:

[(1, 20187631471), (7, 2883947353), (49, 411992479), (53, 380898707), (107, 188669453), (371, 54414101), (749, 26952779), (2597, 7773443), (5243, 3850397), (5671, 3559801), (39697, 508543), (72649, 277879)]