20491026

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{467}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 42052608

約数和(自身を除く): 21561582

約数列:

[1, 2, 3, 6, 71, 103, 142, 206, 213, 309, 426, 467, 618, 934, 1401, 2802, 7313, 14626, 21939, 33157, 43878, 48101, 66314, 96202, 99471, 144303, 198942, 288606, 3415171, 6830342, 10245513, 20491026]

約数ペア:

[(1, 20491026), (2, 10245513), (3, 6830342), (6, 3415171), (71, 288606), (103, 198942), (142, 144303), (206, 99471), (213, 96202), (309, 66314), (426, 48101), (467, 43878), (618, 33157), (934, 21939), (1401, 14626), (2802, 7313)]