20551742

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 34945344

約数和(自身を除く): 14393602

約数列:

[1, 2, 17, 23, 34, 41, 46, 82, 391, 641, 697, 782, 943, 1282, 1394, 1886, 10897, 14743, 16031, 21794, 26281, 29486, 32062, 52562, 250631, 446777, 501262, 604463, 893554, 1208926, 10275871, 20551742]

約数ペア:

[(1, 20551742), (2, 10275871), (17, 1208926), (23, 893554), (34, 604463), (41, 501262), (46, 446777), (82, 250631), (391, 52562), (641, 32062), (697, 29486), (782, 26281), (943, 21794), (1282, 16031), (1394, 14743), (1886, 10897)]