20202105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17491}}^1$

素因数の和:17517

約数の個数: 32

約数和(自身を含む): 40301568

約数和(自身を除く): 20099463

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17491, 52473, 87455, 122437, 192401, 262365, 367311, 577203, 612185, 962005, 1346807, 1836555, 2886015, 4040421, 6734035, 20202105]

約数ペア:

[(1, 20202105), (3, 6734035), (5, 4040421), (7, 2886015), (11, 1836555), (15, 1346807), (21, 962005), (33, 612185), (35, 577203), (55, 367311), (77, 262365), (105, 192401), (165, 122437), (231, 87455), (385, 52473), (1155, 17491)]