20147685460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143912039}}^1$

素因数の和:143912055

約数の個数: 24

約数和(自身を含む): 48354445440

約数和(自身を除く): 28206759980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143912039, 287824078, 575648156, 719560195, 1007384273, 1439120390, 2014768546, 2878240780, 4029537092, 5036921365, 10073842730, 20147685460]

約数ペア:

[(1, 20147685460), (2, 10073842730), (4, 5036921365), (5, 4029537092), (7, 2878240780), (10, 2014768546), (14, 1439120390), (20, 1007384273), (28, 719560195), (35, 575648156), (70, 287824078), (140, 143912039)]