20984502

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{857}}^1$

素因数の和:933

約数の個数: 64

約数和(自身を含む): 53374464

約数和(自身を除く): 32389962

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 53, 66, 77, 106, 154, 159, 231, 318, 371, 462, 583, 742, 857, 1113, 1166, 1714, 1749, 2226, 2571, 3498, 4081, 5142, 5999, 8162, 9427, 11998, 12243, 17997, 18854, 24486, 28281, 35994, 45421, 56562, 65989, 90842, 131978, 136263, 197967, 272526, 317947, 395934, 499631, 635894, 953841, 999262, 1498893, 1907682, 2997786, 3497417, 6994834, 10492251, 20984502]

約数ペア:

[(1, 20984502), (2, 10492251), (3, 6994834), (6, 3497417), (7, 2997786), (11, 1907682), (14, 1498893), (21, 999262), (22, 953841), (33, 635894), (42, 499631), (53, 395934), (66, 317947), (77, 272526), (106, 197967), (154, 136263), (159, 131978), (231, 90842), (318, 65989), (371, 56562), (462, 45421), (583, 35994), (742, 28281), (857, 24486), (1113, 18854), (1166, 17997), (1714, 12243), (1749, 11998), (2226, 9427), (2571, 8162), (3498, 5999), (4081, 5142)]