20859258

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10567}}^1$

素因数の和:10626

約数の個数: 32

約数和(自身を含む): 48697344

約数和(自身を除く): 27838086

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 10567, 21134, 31701, 63402, 73969, 147938, 221907, 443814, 496649, 993298, 1489947, 2979894, 3476543, 6953086, 10429629, 20859258]

約数ペア:

[(1, 20859258), (2, 10429629), (3, 6953086), (6, 3476543), (7, 2979894), (14, 1489947), (21, 993298), (42, 496649), (47, 443814), (94, 221907), (141, 147938), (282, 73969), (329, 63402), (658, 31701), (987, 21134), (1974, 10567)]