20871296

素因数分解:

$2^7\times {\mathrm{41}}^2\times {\mathrm{97}}^1$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 43057770

約数和(自身を除く): 22186474

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 97, 128, 164, 194, 328, 388, 656, 776, 1312, 1552, 1681, 2624, 3104, 3362, 3977, 5248, 6208, 6724, 7954, 12416, 13448, 15908, 26896, 31816, 53792, 63632, 107584, 127264, 163057, 215168, 254528, 326114, 509056, 652228, 1304456, 2608912, 5217824, 10435648, 20871296]

約数ペア:

[(1, 20871296), (2, 10435648), (4, 5217824), (8, 2608912), (16, 1304456), (32, 652228), (41, 509056), (64, 326114), (82, 254528), (97, 215168), (128, 163057), (164, 127264), (194, 107584), (328, 63632), (388, 53792), (656, 31816), (776, 26896), (1312, 15908), (1552, 13448), (1681, 12416), (2624, 7954), (3104, 6724), (3362, 6208), (3977, 5248)]