20790070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6907}}^1$

素因数の和:6964

約数の個数: 32

約数和(自身を含む): 43769088

約数和(自身を除く): 22979018

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 6907, 13814, 34535, 48349, 69070, 96698, 241745, 297001, 483490, 594002, 1485005, 2079007, 2970010, 4158014, 10395035, 20790070]

約数ペア:

[(1, 20790070), (2, 10395035), (5, 4158014), (7, 2970010), (10, 2079007), (14, 1485005), (35, 594002), (43, 483490), (70, 297001), (86, 241745), (215, 96698), (301, 69070), (430, 48349), (602, 34535), (1505, 13814), (3010, 6907)]