20809070860

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{677}}^1\times {\mathrm{7963}}^1$

素因数の和:8842

約数の個数: 48

約数和(自身を含む): 43995875616

約数和(自身を除く): 23186804756

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 677, 772, 965, 1354, 1930, 2708, 3385, 3860, 6770, 7963, 13540, 15926, 31852, 39815, 79630, 130661, 159260, 261322, 522644, 653305, 1306610, 1536859, 2613220, 3073718, 5390951, 6147436, 7684295, 10781902, 15368590, 21563804, 26954755, 30737180, 53909510, 107819020, 1040453543, 2080907086, 4161814172, 5202267715, 10404535430, 20809070860]

約数ペア:

[(1, 20809070860), (2, 10404535430), (4, 5202267715), (5, 4161814172), (10, 2080907086), (20, 1040453543), (193, 107819020), (386, 53909510), (677, 30737180), (772, 26954755), (965, 21563804), (1354, 15368590), (1930, 10781902), (2708, 7684295), (3385, 6147436), (3860, 5390951), (6770, 3073718), (7963, 2613220), (13540, 1536859), (15926, 1306610), (31852, 653305), (39815, 522644), (79630, 261322), (130661, 159260)]