20713168

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2341}}^1$

素因数の和:2435

約数の個数: 40

約数和(自身を含む): 46465280

約数和(自身を除く): 25752112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 2341, 4424, 4682, 8848, 9364, 16387, 18728, 32774, 37456, 65548, 131096, 184939, 262192, 369878, 739756, 1294573, 1479512, 2589146, 2959024, 5178292, 10356584, 20713168]

約数ペア:

[(1, 20713168), (2, 10356584), (4, 5178292), (7, 2959024), (8, 2589146), (14, 1479512), (16, 1294573), (28, 739756), (56, 369878), (79, 262192), (112, 184939), (158, 131096), (316, 65548), (553, 37456), (632, 32774), (1106, 18728), (1264, 16387), (2212, 9364), (2341, 8848), (4424, 4682)]