20369518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 34191360

約数和(自身を除く): 13821842

約数列:

[1, 2, 13, 26, 47, 79, 94, 158, 211, 422, 611, 1027, 1222, 2054, 2743, 3713, 5486, 7426, 9917, 16669, 19834, 33338, 48269, 96538, 128921, 216697, 257842, 433394, 783443, 1566886, 10184759, 20369518]

約数ペア:

[(1, 20369518), (2, 10184759), (13, 1566886), (26, 783443), (47, 433394), (79, 257842), (94, 216697), (158, 128921), (211, 96538), (422, 48269), (611, 33338), (1027, 19834), (1222, 16669), (2054, 9917), (2743, 7426), (3713, 5486)]