20258826

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 29507574

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 53, 57, 106, 114, 133, 159, 266, 318, 371, 399, 479, 742, 798, 958, 1007, 1113, 1437, 2014, 2226, 2874, 3021, 3353, 6042, 6706, 7049, 9101, 10059, 14098, 18202, 20118, 21147, 25387, 27303, 42294, 50774, 54606, 63707, 76161, 127414, 152322, 177709, 191121, 355418, 382242, 482353, 533127, 964706, 1066254, 1447059, 2894118, 3376471, 6752942, 10129413, 20258826]

約数ペア:

[(1, 20258826), (2, 10129413), (3, 6752942), (6, 3376471), (7, 2894118), (14, 1447059), (19, 1066254), (21, 964706), (38, 533127), (42, 482353), (53, 382242), (57, 355418), (106, 191121), (114, 177709), (133, 152322), (159, 127414), (266, 76161), (318, 63707), (371, 54606), (399, 50774), (479, 42294), (742, 27303), (798, 25387), (958, 21147), (1007, 20118), (1113, 18202), (1437, 14098), (2014, 10059), (2226, 9101), (2874, 7049), (3021, 6706), (3353, 6042)]