20131492905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{571}}^1\times {\mathrm{2711}}^1$

素因数の和:3327

約数の個数: 72

約数和(自身を含む): 37146567744

約数和(自身を除く): 17015074839

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 289, 571, 765, 867, 1445, 1713, 2601, 2711, 2855, 4335, 5139, 8133, 8565, 9707, 13005, 13555, 24399, 25695, 29121, 40665, 46087, 48535, 87363, 121995, 138261, 145605, 165019, 230435, 414783, 436815, 495057, 691305, 783479, 825095, 1485171, 1547981, 2073915, 2350437, 2475285, 3917395, 4643943, 7051311, 7425855, 7739905, 11752185, 13931829, 23219715, 26315677, 35256555, 69659145, 78947031, 131578385, 236841093, 394735155, 447366509, 1184205465, 1342099527, 2236832545, 4026298581, 6710497635, 20131492905]

約数ペア:

[(1, 20131492905), (3, 6710497635), (5, 4026298581), (9, 2236832545), (15, 1342099527), (17, 1184205465), (45, 447366509), (51, 394735155), (85, 236841093), (153, 131578385), (255, 78947031), (289, 69659145), (571, 35256555), (765, 26315677), (867, 23219715), (1445, 13931829), (1713, 11752185), (2601, 7739905), (2711, 7425855), (2855, 7051311), (4335, 4643943), (5139, 3917395), (8133, 2475285), (8565, 2350437), (9707, 2073915), (13005, 1547981), (13555, 1485171), (24399, 825095), (25695, 783479), (29121, 691305), (40665, 495057), (46087, 436815), (48535, 414783), (87363, 230435), (121995, 165019), (138261, 145605)]