20951546

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3677}}^1$

素因数の和:3734

約数の個数: 32

約数和(自身を含む): 40252032

約数和(自身を除く): 19300486

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 3677, 5698, 7354, 25739, 40447, 51478, 80894, 136049, 272098, 283129, 566258, 952343, 1496539, 1904686, 2993078, 10475773, 20951546]

約数ペア:

[(1, 20951546), (2, 10475773), (7, 2993078), (11, 1904686), (14, 1496539), (22, 952343), (37, 566258), (74, 283129), (77, 272098), (154, 136049), (259, 80894), (407, 51478), (518, 40447), (814, 25739), (2849, 7354), (3677, 5698)]