16420740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{39097}}^1$

素因数の和:39116

約数の個数: 48

約数和(自身を含む): 52547712

約数和(自身を除く): 36126972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 39097, 78194, 117291, 156388, 195485, 234582, 273679, 390970, 469164, 547358, 586455, 781940, 821037, 1094716, 1172910, 1368395, 1642074, 2345820, 2736790, 3284148, 4105185, 5473580, 8210370, 16420740]

約数ペア:

[(1, 16420740), (2, 8210370), (3, 5473580), (4, 4105185), (5, 3284148), (6, 2736790), (7, 2345820), (10, 1642074), (12, 1368395), (14, 1172910), (15, 1094716), (20, 821037), (21, 781940), (28, 586455), (30, 547358), (35, 469164), (42, 390970), (60, 273679), (70, 234582), (84, 195485), (105, 156388), (140, 117291), (210, 78194), (420, 39097)]