20517102

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 46545408

約数和(自身を除く): 26028306

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 83, 93, 166, 186, 249, 279, 443, 498, 558, 747, 886, 1329, 1494, 2573, 2658, 3987, 5146, 7719, 7974, 13733, 15438, 23157, 27466, 36769, 41199, 46314, 73538, 82398, 110307, 123597, 220614, 247194, 330921, 661842, 1139839, 2279678, 3419517, 6839034, 10258551, 20517102]

約数ペア:

[(1, 20517102), (2, 10258551), (3, 6839034), (6, 3419517), (9, 2279678), (18, 1139839), (31, 661842), (62, 330921), (83, 247194), (93, 220614), (166, 123597), (186, 110307), (249, 82398), (279, 73538), (443, 46314), (498, 41199), (558, 36769), (747, 27466), (886, 23157), (1329, 15438), (1494, 13733), (2573, 7974), (2658, 7719), (3987, 5146)]