20178510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1301}}^1$

素因数の和:1369

約数の個数: 64

約数和(自身を含む): 53996544

約数和(自身を除く): 33818034

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 47, 55, 66, 94, 110, 141, 165, 235, 282, 330, 470, 517, 705, 1034, 1301, 1410, 1551, 2585, 2602, 3102, 3903, 5170, 6505, 7755, 7806, 13010, 14311, 15510, 19515, 28622, 39030, 42933, 61147, 71555, 85866, 122294, 143110, 183441, 214665, 305735, 366882, 429330, 611470, 672617, 917205, 1345234, 1834410, 2017851, 3363085, 4035702, 6726170, 10089255, 20178510]

約数ペア:

[(1, 20178510), (2, 10089255), (3, 6726170), (5, 4035702), (6, 3363085), (10, 2017851), (11, 1834410), (15, 1345234), (22, 917205), (30, 672617), (33, 611470), (47, 429330), (55, 366882), (66, 305735), (94, 214665), (110, 183441), (141, 143110), (165, 122294), (235, 85866), (282, 71555), (330, 61147), (470, 42933), (517, 39030), (705, 28622), (1034, 19515), (1301, 15510), (1410, 14311), (1551, 13010), (2585, 7806), (2602, 7755), (3102, 6505), (3903, 5170)]