20803724416

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8554163}}^1$

素因数の和:8554196

約数の個数: 32

約数和(自身を含む): 43626236400

約数和(自身を除く): 22822511984

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8554163, 17108326, 34216652, 68433304, 136866608, 162529097, 273733216, 325058194, 547466432, 650116388, 1094932864, 1300232776, 2600465552, 5200931104, 10401862208, 20803724416]

約数ペア:

[(1, 20803724416), (2, 10401862208), (4, 5200931104), (8, 2600465552), (16, 1300232776), (19, 1094932864), (32, 650116388), (38, 547466432), (64, 325058194), (76, 273733216), (128, 162529097), (152, 136866608), (304, 68433304), (608, 34216652), (1216, 17108326), (2432, 8554163)]