20644902

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:594

約数の個数: 64

約数和(自身を含む): 49800960

約数和(自身を除く): 29156058

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 43, 51, 54, 86, 102, 129, 153, 258, 306, 387, 459, 523, 731, 774, 918, 1046, 1161, 1462, 1569, 2193, 2322, 3138, 4386, 4707, 6579, 8891, 9414, 13158, 14121, 17782, 19737, 22489, 26673, 28242, 39474, 44978, 53346, 67467, 80019, 134934, 160038, 202401, 240057, 382313, 404802, 480114, 607203, 764626, 1146939, 1214406, 2293878, 3440817, 6881634, 10322451, 20644902]

約数ペア:

[(1, 20644902), (2, 10322451), (3, 6881634), (6, 3440817), (9, 2293878), (17, 1214406), (18, 1146939), (27, 764626), (34, 607203), (43, 480114), (51, 404802), (54, 382313), (86, 240057), (102, 202401), (129, 160038), (153, 134934), (258, 80019), (306, 67467), (387, 53346), (459, 44978), (523, 39474), (731, 28242), (774, 26673), (918, 22489), (1046, 19737), (1161, 17782), (1462, 14121), (1569, 13158), (2193, 9414), (2322, 8891), (3138, 6579), (4386, 4707)]