20586656

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:453

約数の個数: 48

約数和(自身を含む): 42928704

約数和(自身を除く): 22342048

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 83, 92, 166, 184, 332, 337, 368, 664, 674, 736, 1328, 1348, 1909, 2656, 2696, 3818, 5392, 7636, 7751, 10784, 15272, 15502, 27971, 30544, 31004, 55942, 61088, 62008, 111884, 124016, 223768, 248032, 447536, 643333, 895072, 1286666, 2573332, 5146664, 10293328, 20586656]

約数ペア:

[(1, 20586656), (2, 10293328), (4, 5146664), (8, 2573332), (16, 1286666), (23, 895072), (32, 643333), (46, 447536), (83, 248032), (92, 223768), (166, 124016), (184, 111884), (332, 62008), (337, 61088), (368, 55942), (664, 31004), (674, 30544), (736, 27971), (1328, 15502), (1348, 15272), (1909, 10784), (2656, 7751), (2696, 7636), (3818, 5392)]