20789784580

素因数分解:

$2^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{2225887}}^1$

素因数の和:2226363

約数の個数: 24

約数和(自身を含む): 43752054528

約数和(自身を除く): 22962269948

約数列:

[1, 2, 4, 5, 10, 20, 467, 934, 1868, 2335, 4670, 9340, 2225887, 4451774, 8903548, 11129435, 22258870, 44517740, 1039489229, 2078978458, 4157956916, 5197446145, 10394892290, 20789784580]

約数ペア:

[(1, 20789784580), (2, 10394892290), (4, 5197446145), (5, 4157956916), (10, 2078978458), (20, 1039489229), (467, 44517740), (934, 22258870), (1868, 11129435), (2335, 8903548), (4670, 4451774), (9340, 2225887)]