20265240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1741}}^1$

素因数の和:1852

約数の個数: 64

約数和(自身を含む): 61457760

約数和(自身を除く): 41192520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1741, 1940, 2328, 2910, 3482, 3880, 5223, 5820, 6964, 8705, 10446, 11640, 13928, 17410, 20892, 26115, 34820, 41784, 52230, 69640, 104460, 168877, 208920, 337754, 506631, 675508, 844385, 1013262, 1351016, 1688770, 2026524, 2533155, 3377540, 4053048, 5066310, 6755080, 10132620, 20265240]

約数ペア:

[(1, 20265240), (2, 10132620), (3, 6755080), (4, 5066310), (5, 4053048), (6, 3377540), (8, 2533155), (10, 2026524), (12, 1688770), (15, 1351016), (20, 1013262), (24, 844385), (30, 675508), (40, 506631), (60, 337754), (97, 208920), (120, 168877), (194, 104460), (291, 69640), (388, 52230), (485, 41784), (582, 34820), (776, 26115), (970, 20892), (1164, 17410), (1455, 13928), (1741, 11640), (1940, 10446), (2328, 8705), (2910, 6964), (3482, 5820), (3880, 5223)]