20003240

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2203}}^1$

素因数の和:2441

約数の個数: 32

約数和(自身を含む): 45226080

約数和(自身を除く): 25222840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2203, 2270, 4406, 4540, 8812, 9080, 11015, 17624, 22030, 44060, 88120, 500081, 1000162, 2000324, 2500405, 4000648, 5000810, 10001620, 20003240]

約数ペア:

[(1, 20003240), (2, 10001620), (4, 5000810), (5, 4000648), (8, 2500405), (10, 2000324), (20, 1000162), (40, 500081), (227, 88120), (454, 44060), (908, 22030), (1135, 17624), (1816, 11015), (2203, 9080), (2270, 8812), (4406, 4540)]