20197214982

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{86693}}^1$

素因数の和:86794

約数の個数: 72

約数和(自身を含む): 51202863504

約数和(自身を除く): 31005648522

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 387, 602, 774, 903, 1806, 1849, 2709, 3698, 5418, 5547, 11094, 12943, 16641, 25886, 33282, 38829, 77658, 86693, 116487, 173386, 232974, 260079, 520158, 606851, 780237, 1213702, 1560474, 1820553, 3641106, 3727799, 5461659, 7455598, 10923318, 11183397, 22366794, 26094593, 33550191, 52189186, 67100382, 78283779, 156567558, 160295357, 234851337, 320590714, 469702674, 480886071, 961772142, 1122067499, 1442658213, 2244134998, 2885316426, 3366202497, 6732404994, 10098607491, 20197214982]

約数ペア:

[(1, 20197214982), (2, 10098607491), (3, 6732404994), (6, 3366202497), (7, 2885316426), (9, 2244134998), (14, 1442658213), (18, 1122067499), (21, 961772142), (42, 480886071), (43, 469702674), (63, 320590714), (86, 234851337), (126, 160295357), (129, 156567558), (258, 78283779), (301, 67100382), (387, 52189186), (602, 33550191), (774, 26094593), (903, 22366794), (1806, 11183397), (1849, 10923318), (2709, 7455598), (3698, 5461659), (5418, 3727799), (5547, 3641106), (11094, 1820553), (12943, 1560474), (16641, 1213702), (25886, 780237), (33282, 606851), (38829, 520158), (77658, 260079), (86693, 232974), (116487, 173386)]