20069776

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{617}}^1$

素因数の和:751

約数の個数: 40

約数和(自身を含む): 41381280

約数和(自身を除く): 21311504

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 107, 152, 214, 304, 428, 617, 856, 1234, 1712, 2033, 2468, 4066, 4936, 8132, 9872, 11723, 16264, 23446, 32528, 46892, 66019, 93784, 132038, 187568, 264076, 528152, 1056304, 1254361, 2508722, 5017444, 10034888, 20069776]

約数ペア:

[(1, 20069776), (2, 10034888), (4, 5017444), (8, 2508722), (16, 1254361), (19, 1056304), (38, 528152), (76, 264076), (107, 187568), (152, 132038), (214, 93784), (304, 66019), (428, 46892), (617, 32528), (856, 23446), (1234, 16264), (1712, 11723), (2033, 9872), (2468, 8132), (4066, 4936)]