20199805731

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{659}}^1\times {\mathrm{1033}}^1$

素因数の和:1865

約数の個数: 64

約数和(自身を含む): 34504166400

約数和(自身を除く): 14304360669

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 659, 1033, 1099, 1413, 1977, 3099, 3297, 4239, 4613, 5931, 7231, 9297, 9891, 13839, 17793, 21693, 27891, 29673, 41517, 65079, 103463, 124551, 162181, 195237, 310389, 486543, 680747, 724241, 931167, 1135267, 1459629, 2042241, 2172723, 2793501, 3405801, 4378887, 4765229, 6126723, 6518169, 10217403, 14295687, 18380169, 19554507, 30652209, 42887061, 106877279, 128661183, 320631837, 748140953, 961895511, 2244422859, 2885686533, 6733268577, 20199805731]

約数ペア:

[(1, 20199805731), (3, 6733268577), (7, 2885686533), (9, 2244422859), (21, 961895511), (27, 748140953), (63, 320631837), (157, 128661183), (189, 106877279), (471, 42887061), (659, 30652209), (1033, 19554507), (1099, 18380169), (1413, 14295687), (1977, 10217403), (3099, 6518169), (3297, 6126723), (4239, 4765229), (4613, 4378887), (5931, 3405801), (7231, 2793501), (9297, 2172723), (9891, 2042241), (13839, 1459629), (17793, 1135267), (21693, 931167), (27891, 724241), (29673, 680747), (41517, 486543), (65079, 310389), (103463, 195237), (124551, 162181)]