20973576

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{5171}}^1$

素因数の和:5206

約数の個数: 48

約数和(自身を含む): 56788560

約数和(自身を除く): 35814984

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 5171, 10342, 15513, 20684, 31026, 41368, 62052, 67223, 124104, 134446, 201669, 268892, 403338, 537784, 806676, 873899, 1613352, 1747798, 2621697, 3495596, 5243394, 6991192, 10486788, 20973576]

約数ペア:

[(1, 20973576), (2, 10486788), (3, 6991192), (4, 5243394), (6, 3495596), (8, 2621697), (12, 1747798), (13, 1613352), (24, 873899), (26, 806676), (39, 537784), (52, 403338), (78, 268892), (104, 201669), (156, 134446), (169, 124104), (312, 67223), (338, 62052), (507, 41368), (676, 31026), (1014, 20684), (1352, 15513), (2028, 10342), (4056, 5171)]