20154204290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2319241}}^1$

素因数の和:2319338

約数の個数: 32

約数和(自身を含む): 40076501760

約数和(自身を除く): 19922297470

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 4345, 8690, 2319241, 4638482, 11596205, 23192410, 25511651, 51023302, 127558255, 183220039, 255116510, 366440078, 916100195, 1832200390, 2015420429, 4030840858, 10077102145, 20154204290]

約数ペア:

[(1, 20154204290), (2, 10077102145), (5, 4030840858), (10, 2015420429), (11, 1832200390), (22, 916100195), (55, 366440078), (79, 255116510), (110, 183220039), (158, 127558255), (395, 51023302), (790, 25511651), (869, 23192410), (1738, 11596205), (4345, 4638482), (8690, 2319241)]