20191168855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1661141}}^1$

素因数の和:1661187

約数の個数: 32

約数和(自身を含む): 30139760448

約数和(自身を除く): 9948591593

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2431, 12155, 1661141, 8305705, 18272551, 21594833, 28239397, 91362755, 107974165, 141196985, 237543163, 310633367, 367112161, 1187715815, 1553166835, 1835560805, 4038233771, 20191168855]

約数ペア:

[(1, 20191168855), (5, 4038233771), (11, 1835560805), (13, 1553166835), (17, 1187715815), (55, 367112161), (65, 310633367), (85, 237543163), (143, 141196985), (187, 107974165), (221, 91362755), (715, 28239397), (935, 21594833), (1105, 18272551), (2431, 8305705), (12155, 1661141)]