20835504

素因数分解:

$2^4\times 3^2\times {\mathrm{257}}^1\times {\mathrm{563}}^1$

素因数の和:834

約数の個数: 60

約数和(自身を含む): 58641336

約数和(自身を除く): 37805832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 257, 514, 563, 771, 1028, 1126, 1542, 1689, 2056, 2252, 2313, 3084, 3378, 4112, 4504, 4626, 5067, 6168, 6756, 9008, 9252, 10134, 12336, 13512, 18504, 20268, 27024, 37008, 40536, 81072, 144691, 289382, 434073, 578764, 868146, 1157528, 1302219, 1736292, 2315056, 2604438, 3472584, 5208876, 6945168, 10417752, 20835504]

約数ペア:

[(1, 20835504), (2, 10417752), (3, 6945168), (4, 5208876), (6, 3472584), (8, 2604438), (9, 2315056), (12, 1736292), (16, 1302219), (18, 1157528), (24, 868146), (36, 578764), (48, 434073), (72, 289382), (144, 144691), (257, 81072), (514, 40536), (563, 37008), (771, 27024), (1028, 20268), (1126, 18504), (1542, 13512), (1689, 12336), (2056, 10134), (2252, 9252), (2313, 9008), (3084, 6756), (3378, 6168), (4112, 5067), (4504, 4626)]