20564194

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{797}}^1$

素因数の和:922

約数の個数: 32

約数和(自身を含む): 37537920

約数和(自身を除く): 16973726

約数列:

[1, 2, 7, 14, 19, 38, 97, 133, 194, 266, 679, 797, 1358, 1594, 1843, 3686, 5579, 11158, 12901, 15143, 25802, 30286, 77309, 106001, 154618, 212002, 541163, 1082326, 1468871, 2937742, 10282097, 20564194]

約数ペア:

[(1, 20564194), (2, 10282097), (7, 2937742), (14, 1468871), (19, 1082326), (38, 541163), (97, 212002), (133, 154618), (194, 106001), (266, 77309), (679, 30286), (797, 25802), (1358, 15143), (1594, 12901), (1843, 11158), (3686, 5579)]