20173778344

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1\times {\mathrm{967}}^1$

素因数の和:1442

約数の個数: 64

約数和(自身を含む): 38810217600

約数和(自身を除く): 18636439256

約数列:

[1, 2, 4, 8, 73, 139, 146, 257, 278, 292, 514, 556, 584, 967, 1028, 1112, 1934, 2056, 3868, 7736, 10147, 18761, 20294, 35723, 37522, 40588, 70591, 71446, 75044, 81176, 134413, 141182, 142892, 150088, 248519, 268826, 282364, 285784, 497038, 537652, 564728, 994076, 1075304, 1988152, 2607779, 5215558, 9812149, 10431116, 18141887, 19624298, 20862232, 34544141, 36283774, 39248596, 69088282, 72567548, 78497192, 138176564, 145135096, 276353128, 2521722293, 5043444586, 10086889172, 20173778344]

約数ペア:

[(1, 20173778344), (2, 10086889172), (4, 5043444586), (8, 2521722293), (73, 276353128), (139, 145135096), (146, 138176564), (257, 78497192), (278, 72567548), (292, 69088282), (514, 39248596), (556, 36283774), (584, 34544141), (967, 20862232), (1028, 19624298), (1112, 18141887), (1934, 10431116), (2056, 9812149), (3868, 5215558), (7736, 2607779), (10147, 1988152), (18761, 1075304), (20294, 994076), (35723, 564728), (37522, 537652), (40588, 497038), (70591, 285784), (71446, 282364), (75044, 268826), (81176, 248519), (134413, 150088), (141182, 142892)]