20087536

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^2\times {\mathrm{97}}^1$

素因数の和:198

約数の個数: 60

約数和(自身を含む): 46007472

約数和(自身を除く): 25919936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 97, 112, 172, 194, 301, 344, 388, 602, 679, 688, 776, 1204, 1358, 1552, 1849, 2408, 2716, 3698, 4171, 4816, 5432, 7396, 8342, 10864, 12943, 14792, 16684, 25886, 29197, 29584, 33368, 51772, 58394, 66736, 103544, 116788, 179353, 207088, 233576, 358706, 467152, 717412, 1255471, 1434824, 2510942, 2869648, 5021884, 10043768, 20087536]

約数ペア:

[(1, 20087536), (2, 10043768), (4, 5021884), (7, 2869648), (8, 2510942), (14, 1434824), (16, 1255471), (28, 717412), (43, 467152), (56, 358706), (86, 233576), (97, 207088), (112, 179353), (172, 116788), (194, 103544), (301, 66736), (344, 58394), (388, 51772), (602, 33368), (679, 29584), (688, 29197), (776, 25886), (1204, 16684), (1358, 14792), (1552, 12943), (1849, 10864), (2408, 8342), (2716, 7396), (3698, 5432), (4171, 4816)]