20571712

素因数分解:

$2^6\times 7^1\times {\mathrm{47}}^1\times {\mathrm{977}}^1$

素因数の和:1043

約数の個数: 56

約数和(自身を含む): 47695104

約数和(自身を除く): 27123392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 188, 224, 329, 376, 448, 658, 752, 977, 1316, 1504, 1954, 2632, 3008, 3908, 5264, 6839, 7816, 10528, 13678, 15632, 21056, 27356, 31264, 45919, 54712, 62528, 91838, 109424, 183676, 218848, 321433, 367352, 437696, 642866, 734704, 1285732, 1469408, 2571464, 2938816, 5142928, 10285856, 20571712]

約数ペア:

[(1, 20571712), (2, 10285856), (4, 5142928), (7, 2938816), (8, 2571464), (14, 1469408), (16, 1285732), (28, 734704), (32, 642866), (47, 437696), (56, 367352), (64, 321433), (94, 218848), (112, 183676), (188, 109424), (224, 91838), (329, 62528), (376, 54712), (448, 45919), (658, 31264), (752, 27356), (977, 21056), (1316, 15632), (1504, 13678), (1954, 10528), (2632, 7816), (3008, 6839), (3908, 5264)]