2021148980

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{445187}}^1$

素因数の和:445423

約数の個数: 24

約数和(自身を含む): 4263120288

約数和(自身を除く): 2241971308

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 445187, 890374, 1780748, 2225935, 4451870, 8903740, 101057449, 202114898, 404229796, 505287245, 1010574490, 2021148980]

約数ペア:

[(1, 2021148980), (2, 1010574490), (4, 505287245), (5, 404229796), (10, 202114898), (20, 101057449), (227, 8903740), (454, 4451870), (908, 2225935), (1135, 1780748), (2270, 890374), (4540, 445187)]