20977032388

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{857}}^1\times {\mathrm{36209}}^1$

素因数の和:37096

約数の個数: 36

約数和(自身を含む): 39798338580

約数和(自身を除く): 18821306192

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 857, 1714, 3428, 11141, 22282, 36209, 44564, 72418, 144833, 144836, 289666, 470717, 579332, 941434, 1882868, 6119321, 12238642, 24477284, 31031113, 62062226, 124124452, 403404469, 806808938, 1613617876, 5244258097, 10488516194, 20977032388]

約数ペア:

[(1, 20977032388), (2, 10488516194), (4, 5244258097), (13, 1613617876), (26, 806808938), (52, 403404469), (169, 124124452), (338, 62062226), (676, 31031113), (857, 24477284), (1714, 12238642), (3428, 6119321), (11141, 1882868), (22282, 941434), (36209, 579332), (44564, 470717), (72418, 289666), (144833, 144836)]