16786220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1861}}^1$

素因数の和:1922

約数の個数: 48

約数和(自身を含む): 39414816

約数和(自身を除く): 22628596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 1861, 2255, 3722, 4510, 7444, 9020, 9305, 18610, 20471, 37220, 40942, 76301, 81884, 102355, 152602, 204710, 305204, 381505, 409420, 763010, 839311, 1526020, 1678622, 3357244, 4196555, 8393110, 16786220]

約数ペア:

[(1, 16786220), (2, 8393110), (4, 4196555), (5, 3357244), (10, 1678622), (11, 1526020), (20, 839311), (22, 763010), (41, 409420), (44, 381505), (55, 305204), (82, 204710), (110, 152602), (164, 102355), (205, 81884), (220, 76301), (410, 40942), (451, 37220), (820, 20471), (902, 18610), (1804, 9305), (1861, 9020), (2255, 7444), (3722, 4510)]