20247584259

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{135019}}^1$

素因数の和:135259

約数の個数: 32

約数和(自身を含む): 31851758080

約数和(自身を除く): 11604173821

約数列:

[1, 3, 7, 21, 37, 111, 193, 259, 579, 777, 1351, 4053, 7141, 21423, 49987, 135019, 149961, 405057, 945133, 2835399, 4995703, 14987109, 26058667, 34969921, 78176001, 104909763, 182410669, 547232007, 964170679, 2892512037, 6749194753, 20247584259]

約数ペア:

[(1, 20247584259), (3, 6749194753), (7, 2892512037), (21, 964170679), (37, 547232007), (111, 182410669), (193, 104909763), (259, 78176001), (579, 34969921), (777, 26058667), (1351, 14987109), (4053, 4995703), (7141, 2835399), (21423, 945133), (49987, 405057), (135019, 149961)]