20865258

素因数分解:

$2^1\times 3^2\times {\mathrm{659}}^1\times {\mathrm{1759}}^1$

素因数の和:2426

約数の個数: 24

約数和(自身を含む): 45302400

約数和(自身を除く): 24437142

約数列:

[1, 2, 3, 6, 9, 18, 659, 1318, 1759, 1977, 3518, 3954, 5277, 5931, 10554, 11862, 15831, 31662, 1159181, 2318362, 3477543, 6955086, 10432629, 20865258]

約数ペア:

[(1, 20865258), (2, 10432629), (3, 6955086), (6, 3477543), (9, 2318362), (18, 1159181), (659, 31662), (1318, 15831), (1759, 11862), (1977, 10554), (3518, 5931), (3954, 5277)]