20575730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1523}}^1$

素因数の和:1730

約数の個数: 32

約数和(自身を含む): 42574464

約数和(自身を除く): 21998734

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 193, 386, 965, 1351, 1523, 1930, 2702, 3046, 6755, 7615, 10661, 13510, 15230, 21322, 53305, 106610, 293939, 587878, 1469695, 2057573, 2939390, 4115146, 10287865, 20575730]

約数ペア:

[(1, 20575730), (2, 10287865), (5, 4115146), (7, 2939390), (10, 2057573), (14, 1469695), (35, 587878), (70, 293939), (193, 106610), (386, 53305), (965, 21322), (1351, 15230), (1523, 13510), (1930, 10661), (2702, 7615), (3046, 6755)]