20512115885866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{21577}}^1\times {\mathrm{608609}}^1$

素因数の和:630270

約数の個数: 32

約数和(自身を含む): 34039664415360

約数和(自身を除く): 13527548529494

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 21577, 43154, 237347, 474694, 608609, 1217218, 1531967, 3063934, 6694699, 13389398, 16851637, 33703274, 43211239, 86422478, 475323629, 950647258, 13131956393, 26263912786, 144451520323, 288903040646, 932368903903, 1864737807806, 10256057942933, 20512115885866]

約数ペア:

[(1, 20512115885866), (2, 10256057942933), (11, 1864737807806), (22, 932368903903), (71, 288903040646), (142, 144451520323), (781, 26263912786), (1562, 13131956393), (21577, 950647258), (43154, 475323629), (237347, 86422478), (474694, 43211239), (608609, 33703274), (1217218, 16851637), (1531967, 13389398), (3063934, 6694699)]