20637870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{62539}}^1$

素因数の和:62560

約数の個数: 32

約数和(自身を含む): 54034560

約数和(自身を除く): 33396690

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 62539, 125078, 187617, 312695, 375234, 625390, 687929, 938085, 1375858, 1876170, 2063787, 3439645, 4127574, 6879290, 10318935, 20637870]

約数ペア:

[(1, 20637870), (2, 10318935), (3, 6879290), (5, 4127574), (6, 3439645), (10, 2063787), (11, 1876170), (15, 1375858), (22, 938085), (30, 687929), (33, 625390), (55, 375234), (66, 312695), (110, 187617), (165, 125078), (330, 62539)]