20211796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3617}}^1$

素因数の和:3759

約数の個数: 24

約数和(自身を含む): 38900736

約数和(自身を除く): 18688940

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 3617, 5588, 7234, 14468, 39787, 79574, 159148, 459359, 918718, 1837436, 5052949, 10105898, 20211796]

約数ペア:

[(1, 20211796), (2, 10105898), (4, 5052949), (11, 1837436), (22, 918718), (44, 459359), (127, 159148), (254, 79574), (508, 39787), (1397, 14468), (2794, 7234), (3617, 5588)]