20608480

素因数分解:

$2^5\times 5^1\times {\mathrm{151}}^1\times {\mathrm{853}}^1$

素因数の和:1019

約数の個数: 48

約数和(自身を含む): 49067424

約数和(自身を除く): 28458944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 151, 160, 302, 604, 755, 853, 1208, 1510, 1706, 2416, 3020, 3412, 4265, 4832, 6040, 6824, 8530, 12080, 13648, 17060, 24160, 27296, 34120, 68240, 128803, 136480, 257606, 515212, 644015, 1030424, 1288030, 2060848, 2576060, 4121696, 5152120, 10304240, 20608480]

約数ペア:

[(1, 20608480), (2, 10304240), (4, 5152120), (5, 4121696), (8, 2576060), (10, 2060848), (16, 1288030), (20, 1030424), (32, 644015), (40, 515212), (80, 257606), (151, 136480), (160, 128803), (302, 68240), (604, 34120), (755, 27296), (853, 24160), (1208, 17060), (1510, 13648), (1706, 12080), (2416, 8530), (3020, 6824), (3412, 6040), (4265, 4832)]