20434806

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1033}}^1$

素因数の和:1205

約数の個数: 48

約数和(自身を含む): 50972064

約数和(自身を除く): 30537258

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 157, 314, 471, 942, 1033, 1099, 1413, 2066, 2198, 2826, 3099, 3297, 6198, 6594, 7231, 9297, 9891, 14462, 18594, 19782, 21693, 43386, 65079, 130158, 162181, 324362, 486543, 973086, 1135267, 1459629, 2270534, 2919258, 3405801, 6811602, 10217403, 20434806]

約数ペア:

[(1, 20434806), (2, 10217403), (3, 6811602), (6, 3405801), (7, 2919258), (9, 2270534), (14, 1459629), (18, 1135267), (21, 973086), (42, 486543), (63, 324362), (126, 162181), (157, 130158), (314, 65079), (471, 43386), (942, 21693), (1033, 19782), (1099, 18594), (1413, 14462), (2066, 9891), (2198, 9297), (2826, 7231), (3099, 6594), (3297, 6198)]