20655104

素因数分解:

$2^{10}\times {\mathrm{23}}^1\times {\mathrm{877}}^1$

素因数の和:920

約数の個数: 44

約数和(自身を含む): 43134384

約数和(自身を除く): 22479280

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 877, 1024, 1472, 1754, 2944, 3508, 5888, 7016, 11776, 14032, 20171, 23552, 28064, 40342, 56128, 80684, 112256, 161368, 224512, 322736, 449024, 645472, 898048, 1290944, 2581888, 5163776, 10327552, 20655104]

約数ペア:

[(1, 20655104), (2, 10327552), (4, 5163776), (8, 2581888), (16, 1290944), (23, 898048), (32, 645472), (46, 449024), (64, 322736), (92, 224512), (128, 161368), (184, 112256), (256, 80684), (368, 56128), (512, 40342), (736, 28064), (877, 23552), (1024, 20171), (1472, 14032), (1754, 11776), (2944, 7016), (3508, 5888)]