20634404

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^2$

素因数の和:392

約数の個数: 36

約数和(自身を含む): 43305024

約数和(自身を除く): 22670620

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 179, 322, 358, 644, 716, 1253, 2506, 4117, 5012, 8234, 16468, 28819, 32041, 57638, 64082, 115276, 128164, 224287, 448574, 736943, 897148, 1473886, 2947772, 5158601, 10317202, 20634404]

約数ペア:

[(1, 20634404), (2, 10317202), (4, 5158601), (7, 2947772), (14, 1473886), (23, 897148), (28, 736943), (46, 448574), (92, 224287), (161, 128164), (179, 115276), (322, 64082), (358, 57638), (644, 32041), (716, 28819), (1253, 16468), (2506, 8234), (4117, 5012)]