20147333848

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1\times {\mathrm{2683}}^1$

素因数の和:3224

約数の個数: 64

約数和(自身を含む): 40195584000

約数和(自身を除く): 20048250152

約数列:

[1, 2, 4, 8, 19, 38, 76, 127, 152, 254, 389, 508, 778, 1016, 1556, 2413, 2683, 3112, 4826, 5366, 7391, 9652, 10732, 14782, 19304, 21464, 29564, 49403, 50977, 59128, 98806, 101954, 197612, 203908, 340741, 395224, 407816, 681482, 938657, 1043687, 1362964, 1877314, 2087374, 2725928, 3754628, 4174748, 6474079, 7509256, 8349496, 12948158, 19830053, 25896316, 39660106, 51792632, 79320212, 132548249, 158640424, 265096498, 530192996, 1060385992, 2518416731, 5036833462, 10073666924, 20147333848]

約数ペア:

[(1, 20147333848), (2, 10073666924), (4, 5036833462), (8, 2518416731), (19, 1060385992), (38, 530192996), (76, 265096498), (127, 158640424), (152, 132548249), (254, 79320212), (389, 51792632), (508, 39660106), (778, 25896316), (1016, 19830053), (1556, 12948158), (2413, 8349496), (2683, 7509256), (3112, 6474079), (4826, 4174748), (5366, 3754628), (7391, 2725928), (9652, 2087374), (10732, 1877314), (14782, 1362964), (19304, 1043687), (21464, 938657), (29564, 681482), (49403, 407816), (50977, 395224), (59128, 340741), (98806, 203908), (101954, 197612)]