11405980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{33547}}^1$

素因数の和:33573

約数の個数: 24

約数和(自身を含む): 25362288

約数和(自身を除く): 13956308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 33547, 67094, 134188, 167735, 335470, 570299, 670940, 1140598, 2281196, 2851495, 5702990, 11405980]

約数ペア:

[(1, 11405980), (2, 5702990), (4, 2851495), (5, 2281196), (10, 1140598), (17, 670940), (20, 570299), (34, 335470), (68, 167735), (85, 134188), (170, 67094), (340, 33547)]