20706978

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{757}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 42787584

約数和(自身を除く): 22080606

約数列:

[1, 2, 3, 6, 47, 94, 97, 141, 194, 282, 291, 582, 757, 1514, 2271, 4542, 4559, 9118, 13677, 27354, 35579, 71158, 73429, 106737, 146858, 213474, 220287, 440574, 3451163, 6902326, 10353489, 20706978]

約数ペア:

[(1, 20706978), (2, 10353489), (3, 6902326), (6, 3451163), (47, 440574), (94, 220287), (97, 213474), (141, 146858), (194, 106737), (282, 73429), (291, 71158), (582, 35579), (757, 27354), (1514, 13677), (2271, 9118), (4542, 4559)]