20341393487

素因数分解:

${\mathrm{61}}^2\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 21081902400

約数和(自身を除く): 740508913

約数列:

[1, 61, 89, 239, 257, 3721, 5429, 14579, 15677, 21271, 22873, 61423, 331169, 889319, 956297, 1297531, 1395253, 3746803, 5466647, 79149391, 85110433, 228554983, 333465467, 20341393487]

約数ペア:

[(1, 20341393487), (61, 333465467), (89, 228554983), (239, 85110433), (257, 79149391), (3721, 5466647), (5429, 3746803), (14579, 1395253), (15677, 1297531), (21271, 956297), (22873, 889319), (61423, 331169)]