20666724

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{967}}^1$

素因数の和:1124

約数の個数: 48

約数和(自身を含む): 52364928

約数和(自身を除く): 31698204

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 137, 156, 274, 411, 548, 822, 967, 1644, 1781, 1934, 2901, 3562, 3868, 5343, 5802, 7124, 10686, 11604, 12571, 21372, 25142, 37713, 50284, 75426, 132479, 150852, 264958, 397437, 529916, 794874, 1589748, 1722227, 3444454, 5166681, 6888908, 10333362, 20666724]

約数ペア:

[(1, 20666724), (2, 10333362), (3, 6888908), (4, 5166681), (6, 3444454), (12, 1722227), (13, 1589748), (26, 794874), (39, 529916), (52, 397437), (78, 264958), (137, 150852), (156, 132479), (274, 75426), (411, 50284), (548, 37713), (822, 25142), (967, 21372), (1644, 12571), (1781, 11604), (1934, 10686), (2901, 7124), (3562, 5802), (3868, 5343)]