20695696

素因数分解:

$2^4\times 7^1\times {\mathrm{257}}^1\times {\mathrm{719}}^1$

素因数の和:991

約数の個数: 40

約数和(自身を含む): 46068480

約数和(自身を除く): 25372784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 257, 514, 719, 1028, 1438, 1799, 2056, 2876, 3598, 4112, 5033, 5752, 7196, 10066, 11504, 14392, 20132, 28784, 40264, 80528, 184783, 369566, 739132, 1293481, 1478264, 2586962, 2956528, 5173924, 10347848, 20695696]

約数ペア:

[(1, 20695696), (2, 10347848), (4, 5173924), (7, 2956528), (8, 2586962), (14, 1478264), (16, 1293481), (28, 739132), (56, 369566), (112, 184783), (257, 80528), (514, 40264), (719, 28784), (1028, 20132), (1438, 14392), (1799, 11504), (2056, 10066), (2876, 7196), (3598, 5752), (4112, 5033)]