20292118

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 42052608

約数和(自身を除く): 21760490

約数列:

[1, 2, 7, 11, 14, 17, 22, 23, 34, 46, 77, 119, 154, 161, 187, 238, 253, 322, 337, 374, 391, 506, 674, 782, 1309, 1771, 2359, 2618, 2737, 3542, 3707, 4301, 4718, 5474, 5729, 7414, 7751, 8602, 11458, 15502, 25949, 30107, 40103, 51898, 54257, 60214, 63019, 80206, 85261, 108514, 126038, 131767, 170522, 263534, 441133, 596827, 882266, 922369, 1193654, 1449437, 1844738, 2898874, 10146059, 20292118]

約数ペア:

[(1, 20292118), (2, 10146059), (7, 2898874), (11, 1844738), (14, 1449437), (17, 1193654), (22, 922369), (23, 882266), (34, 596827), (46, 441133), (77, 263534), (119, 170522), (154, 131767), (161, 126038), (187, 108514), (238, 85261), (253, 80206), (322, 63019), (337, 60214), (374, 54257), (391, 51898), (506, 40103), (674, 30107), (782, 25949), (1309, 15502), (1771, 11458), (2359, 8602), (2618, 7751), (2737, 7414), (3542, 5729), (3707, 5474), (4301, 4718)]