20457866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{307}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 36324288

約数和(自身を除く): 15866422

約数列:

[1, 2, 11, 13, 22, 26, 143, 233, 286, 307, 466, 614, 2563, 3029, 3377, 3991, 5126, 6058, 6754, 7982, 33319, 43901, 66638, 71531, 87802, 143062, 786841, 929903, 1573682, 1859806, 10228933, 20457866]

約数ペア:

[(1, 20457866), (2, 10228933), (11, 1859806), (13, 1573682), (22, 929903), (26, 786841), (143, 143062), (233, 87802), (286, 71531), (307, 66638), (466, 43901), (614, 33319), (2563, 7982), (3029, 6754), (3377, 6058), (3991, 5126)]