20146470980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{66067}}^1$

素因数の和:66348

約数の個数: 48

約数和(自身を含む): 43065765120

約数和(自身を除く): 22919294140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 193, 316, 386, 395, 772, 790, 965, 1580, 1930, 3860, 15247, 30494, 60988, 66067, 76235, 132134, 152470, 264268, 304940, 330335, 660670, 1321340, 5219293, 10438586, 12750931, 20877172, 25501862, 26096465, 51003724, 52192930, 63754655, 104385860, 127509310, 255018620, 1007323549, 2014647098, 4029294196, 5036617745, 10073235490, 20146470980]

約数ペア:

[(1, 20146470980), (2, 10073235490), (4, 5036617745), (5, 4029294196), (10, 2014647098), (20, 1007323549), (79, 255018620), (158, 127509310), (193, 104385860), (316, 63754655), (386, 52192930), (395, 51003724), (772, 26096465), (790, 25501862), (965, 20877172), (1580, 12750931), (1930, 10438586), (3860, 5219293), (15247, 1321340), (30494, 660670), (60988, 330335), (66067, 304940), (76235, 264268), (132134, 152470)]