20729698

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1362

約数の個数: 32

約数和(自身を含む): 36780480

約数和(自身を除く): 16050782

約数列:

[1, 2, 11, 17, 22, 34, 43, 86, 187, 374, 473, 731, 946, 1289, 1462, 2578, 8041, 14179, 16082, 21913, 28358, 43826, 55427, 110854, 241043, 482086, 609697, 942259, 1219394, 1884518, 10364849, 20729698]

約数ペア:

[(1, 20729698), (2, 10364849), (11, 1884518), (17, 1219394), (22, 942259), (34, 609697), (43, 482086), (86, 241043), (187, 110854), (374, 55427), (473, 43826), (731, 28358), (946, 21913), (1289, 16082), (1462, 14179), (2578, 8041)]