20879474735

素因数分解:

$5^1\times 7^1\times {\mathrm{929}}^1\times {\mathrm{642149}}^1$

素因数の和:643090

約数の個数: 16

約数和(自身を含む): 28665576000

約数和(自身を除く): 7786101265

約数列:

[1, 5, 7, 35, 929, 4645, 6503, 32515, 642149, 3210745, 4495043, 22475215, 596556421, 2982782105, 4175894947, 20879474735]

約数ペア:

[(1, 20879474735), (5, 4175894947), (7, 2982782105), (35, 596556421), (929, 22475215), (4645, 4495043), (6503, 3210745), (32515, 642149)]