20337405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{233}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 37267776

約数和(自身を除く): 16930371

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 233, 253, 345, 529, 699, 759, 1165, 1265, 1587, 2563, 2645, 3495, 3795, 5359, 5819, 7689, 7935, 12815, 16077, 17457, 26795, 29095, 38445, 58949, 80385, 87285, 123257, 176847, 294745, 369771, 616285, 884235, 1355827, 1848855, 4067481, 6779135, 20337405]

約数ペア:

[(1, 20337405), (3, 6779135), (5, 4067481), (11, 1848855), (15, 1355827), (23, 884235), (33, 616285), (55, 369771), (69, 294745), (115, 176847), (165, 123257), (233, 87285), (253, 80385), (345, 58949), (529, 38445), (699, 29095), (759, 26795), (1165, 17457), (1265, 16077), (1587, 12815), (2563, 7935), (2645, 7689), (3495, 5819), (3795, 5359)]