20079710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1017

約数の個数: 48

約数和(自身を含む): 43067376

約数和(自身を除く): 22987666

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 215, 245, 301, 430, 490, 602, 953, 1505, 1906, 2107, 3010, 4214, 4765, 6671, 9530, 10535, 13342, 21070, 33355, 40979, 46697, 66710, 81958, 93394, 204895, 233485, 286853, 409790, 466970, 573706, 1434265, 2007971, 2868530, 4015942, 10039855, 20079710]

約数ペア:

[(1, 20079710), (2, 10039855), (5, 4015942), (7, 2868530), (10, 2007971), (14, 1434265), (35, 573706), (43, 466970), (49, 409790), (70, 286853), (86, 233485), (98, 204895), (215, 93394), (245, 81958), (301, 66710), (430, 46697), (490, 40979), (602, 33355), (953, 21070), (1505, 13342), (1906, 10535), (2107, 9530), (3010, 6671), (4214, 4765)]