20135954482

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{70549}}^1$

素因数の和:70643

約数の個数: 64

約数和(自身を含む): 38604960000

約数和(自身を除く): 18469005518

約数列:

[1, 2, 7, 14, 19, 29, 37, 38, 58, 74, 133, 203, 259, 266, 406, 518, 551, 703, 1073, 1102, 1406, 2146, 3857, 4921, 7511, 7714, 9842, 15022, 20387, 40774, 70549, 141098, 142709, 285418, 493843, 987686, 1340431, 2045921, 2610313, 2680862, 4091842, 5220626, 9383017, 14321447, 18272191, 18766034, 28642894, 36544382, 38872499, 49595947, 75699077, 77744998, 99191894, 151398154, 272107493, 347171629, 529893539, 544214986, 694343258, 1059787078, 1438282463, 2876564926, 10067977241, 20135954482]

約数ペア:

[(1, 20135954482), (2, 10067977241), (7, 2876564926), (14, 1438282463), (19, 1059787078), (29, 694343258), (37, 544214986), (38, 529893539), (58, 347171629), (74, 272107493), (133, 151398154), (203, 99191894), (259, 77744998), (266, 75699077), (406, 49595947), (518, 38872499), (551, 36544382), (703, 28642894), (1073, 18766034), (1102, 18272191), (1406, 14321447), (2146, 9383017), (3857, 5220626), (4921, 4091842), (7511, 2680862), (7714, 2610313), (9842, 2045921), (15022, 1340431), (20387, 987686), (40774, 493843), (70549, 285418), (141098, 142709)]