20201056

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 41613264

約数和(自身を除く): 21412208

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 86, 106, 172, 212, 277, 344, 424, 554, 688, 848, 1108, 1376, 1696, 2216, 2279, 4432, 4558, 8864, 9116, 11911, 14681, 18232, 23822, 29362, 36464, 47644, 58724, 72928, 95288, 117448, 190576, 234896, 381152, 469792, 631283, 1262566, 2525132, 5050264, 10100528, 20201056]

約数ペア:

[(1, 20201056), (2, 10100528), (4, 5050264), (8, 2525132), (16, 1262566), (32, 631283), (43, 469792), (53, 381152), (86, 234896), (106, 190576), (172, 117448), (212, 95288), (277, 72928), (344, 58724), (424, 47644), (554, 36464), (688, 29362), (848, 23822), (1108, 18232), (1376, 14681), (1696, 11911), (2216, 9116), (2279, 8864), (4432, 4558)]