20939835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11731}}^1$

素因数の和:11763

約数の個数: 32

約数和(自身を含む): 40545792

約数和(自身を除く): 19605957

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 11731, 35193, 58655, 82117, 175965, 199427, 246351, 410585, 598281, 997135, 1231755, 1395989, 2991405, 4187967, 6979945, 20939835]

約数ペア:

[(1, 20939835), (3, 6979945), (5, 4187967), (7, 2991405), (15, 1395989), (17, 1231755), (21, 997135), (35, 598281), (51, 410585), (85, 246351), (105, 199427), (119, 175965), (255, 82117), (357, 58655), (595, 35193), (1785, 11731)]