20470242

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3917}}^1$

素因数の和:4002

約数の個数: 32

約数和(自身を含む): 44759232

約数和(自身を除く): 24288990

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 3917, 5226, 7834, 11751, 23502, 50921, 101842, 152763, 262439, 305526, 524878, 787317, 1574634, 3411707, 6823414, 10235121, 20470242]

約数ペア:

[(1, 20470242), (2, 10235121), (3, 6823414), (6, 3411707), (13, 1574634), (26, 787317), (39, 524878), (67, 305526), (78, 262439), (134, 152763), (201, 101842), (402, 50921), (871, 23502), (1742, 11751), (2613, 7834), (3917, 5226)]