20547870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97847}}^1$

素因数の和:97864

約数の個数: 32

約数和(自身を含む): 56360448

約数和(自身を除く): 35812578

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 97847, 195694, 293541, 489235, 587082, 684929, 978470, 1369858, 1467705, 2054787, 2935410, 3424645, 4109574, 6849290, 10273935, 20547870]

約数ペア:

[(1, 20547870), (2, 10273935), (3, 6849290), (5, 4109574), (6, 3424645), (7, 2935410), (10, 2054787), (14, 1467705), (15, 1369858), (21, 978470), (30, 684929), (35, 587082), (42, 489235), (70, 293541), (105, 195694), (210, 97847)]