20171421655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3081959}}^1$

素因数の和:3081999

約数の個数: 32

約数和(自身を含む): 31953761280

約数和(自身を除く): 11782339625

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 6545, 3081959, 15409795, 21573713, 33901549, 52393303, 107868565, 169507745, 237310843, 261966515, 366753121, 576326333, 1186554215, 1833765605, 2881631665, 4034284331, 20171421655]

約数ペア:

[(1, 20171421655), (5, 4034284331), (7, 2881631665), (11, 1833765605), (17, 1186554215), (35, 576326333), (55, 366753121), (77, 261966515), (85, 237310843), (119, 169507745), (187, 107868565), (385, 52393303), (595, 33901549), (935, 21573713), (1309, 15409795), (6545, 3081959)]