206540020

素因数分解:

$2^2\times 5^1\times {\mathrm{751}}^1\times {\mathrm{13751}}^1$

素因数の和:14511

約数の個数: 24

約数和(自身を含む): 434343168

約数和(自身を除く): 227803148

約数列:

[1, 2, 4, 5, 10, 20, 751, 1502, 3004, 3755, 7510, 13751, 15020, 27502, 55004, 68755, 137510, 275020, 10327001, 20654002, 41308004, 51635005, 103270010, 206540020]

約数ペア:

[(1, 206540020), (2, 103270010), (4, 51635005), (5, 41308004), (10, 20654002), (20, 10327001), (751, 275020), (1502, 137510), (3004, 68755), (3755, 55004), (7510, 27502), (13751, 15020)]