20462694

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 48806400

約数和(自身を除く): 28343706

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 61, 98, 122, 147, 163, 183, 294, 326, 343, 366, 427, 489, 686, 854, 978, 1029, 1141, 1281, 2058, 2282, 2562, 2989, 3423, 5978, 6846, 7987, 8967, 9943, 15974, 17934, 19886, 20923, 23961, 29829, 41846, 47922, 55909, 59658, 62769, 69601, 111818, 125538, 139202, 167727, 208803, 335454, 417606, 487207, 974414, 1461621, 2923242, 3410449, 6820898, 10231347, 20462694]

約数ペア:

[(1, 20462694), (2, 10231347), (3, 6820898), (6, 3410449), (7, 2923242), (14, 1461621), (21, 974414), (42, 487207), (49, 417606), (61, 335454), (98, 208803), (122, 167727), (147, 139202), (163, 125538), (183, 111818), (294, 69601), (326, 62769), (343, 59658), (366, 55909), (427, 47922), (489, 41846), (686, 29829), (854, 23961), (978, 20923), (1029, 19886), (1141, 17934), (1281, 15974), (2058, 9943), (2282, 8967), (2562, 7987), (2989, 6846), (3423, 5978)]