20915296

素因数分解:

$2^5\times {\mathrm{307}}^1\times {\mathrm{2129}}^1$

素因数の和:2446

約数の個数: 24

約数和(自身を含む): 41330520

約数和(自身を除く): 20415224

約数列:

[1, 2, 4, 8, 16, 32, 307, 614, 1228, 2129, 2456, 4258, 4912, 8516, 9824, 17032, 34064, 68128, 653603, 1307206, 2614412, 5228824, 10457648, 20915296]

約数ペア:

[(1, 20915296), (2, 10457648), (4, 5228824), (8, 2614412), (16, 1307206), (32, 653603), (307, 68128), (614, 34064), (1228, 17032), (2129, 9824), (2456, 8516), (4258, 4912)]