20671816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{234907}}^1$

素因数の和:234924

約数の個数: 16

約数和(自身を含む): 42283440

約数和(自身を除く): 21611624

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 234907, 469814, 939628, 1879256, 2583977, 5167954, 10335908, 20671816]

約数ペア:

[(1, 20671816), (2, 10335908), (4, 5167954), (8, 2583977), (11, 1879256), (22, 939628), (44, 469814), (88, 234907)]