20430776

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{967}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 40656000

約数和(自身を除く): 20225224

約数列:

[1, 2, 4, 8, 19, 38, 76, 139, 152, 278, 556, 967, 1112, 1934, 2641, 3868, 5282, 7736, 10564, 18373, 21128, 36746, 73492, 134413, 146984, 268826, 537652, 1075304, 2553847, 5107694, 10215388, 20430776]

約数ペア:

[(1, 20430776), (2, 10215388), (4, 5107694), (8, 2553847), (19, 1075304), (38, 537652), (76, 268826), (139, 146984), (152, 134413), (278, 73492), (556, 36746), (967, 21128), (1112, 18373), (1934, 10564), (2641, 7736), (3868, 5282)]