20926388

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43963}}^1$

素因数の和:43991

約数の個数: 24

約数和(自身を含む): 44315712

約数和(自身を除く): 23389324

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 43963, 87926, 175852, 307741, 615482, 747371, 1230964, 1494742, 2989484, 5231597, 10463194, 20926388]

約数ペア:

[(1, 20926388), (2, 10463194), (4, 5231597), (7, 2989484), (14, 1494742), (17, 1230964), (28, 747371), (34, 615482), (68, 307741), (119, 175852), (238, 87926), (476, 43963)]