20948312

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1097}}^1$

素因数の和:1152

約数の個数: 64

約数和(自身を含む): 50595840

約数和(自身を除く): 29647528

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 217, 248, 308, 341, 434, 616, 682, 868, 1097, 1364, 1736, 2194, 2387, 2728, 4388, 4774, 7679, 8776, 9548, 12067, 15358, 19096, 24134, 30716, 34007, 48268, 61432, 68014, 84469, 96536, 136028, 168938, 238049, 272056, 337876, 374077, 476098, 675752, 748154, 952196, 1496308, 1904392, 2618539, 2992616, 5237078, 10474156, 20948312]

約数ペア:

[(1, 20948312), (2, 10474156), (4, 5237078), (7, 2992616), (8, 2618539), (11, 1904392), (14, 1496308), (22, 952196), (28, 748154), (31, 675752), (44, 476098), (56, 374077), (62, 337876), (77, 272056), (88, 238049), (124, 168938), (154, 136028), (217, 96536), (248, 84469), (308, 68014), (341, 61432), (434, 48268), (616, 34007), (682, 30716), (868, 24134), (1097, 19096), (1364, 15358), (1736, 12067), (2194, 9548), (2387, 8776), (2728, 7679), (4388, 4774)]