20383997788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66181811}}^1$

素因数の和:66181833

約数の個数: 24

約数和(自身を含む): 44474177664

約数和(自身を除く): 24090179876

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 66181811, 132363622, 264727244, 463272677, 727999921, 926545354, 1455999842, 1853090708, 2911999684, 5095999447, 10191998894, 20383997788]

約数ペア:

[(1, 20383997788), (2, 10191998894), (4, 5095999447), (7, 2911999684), (11, 1853090708), (14, 1455999842), (22, 926545354), (28, 727999921), (44, 463272677), (77, 264727244), (154, 132363622), (308, 66181811)]