19940060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{20347}}^1$

素因数の和:20370

約数の個数: 36

約数和(自身を含む): 48713112

約数和(自身を除く): 28773052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 20347, 40694, 81388, 101735, 142429, 203470, 284858, 406940, 569716, 712145, 997003, 1424290, 1994006, 2848580, 3988012, 4985015, 9970030, 19940060]

約数ペア:

[(1, 19940060), (2, 9970030), (4, 4985015), (5, 3988012), (7, 2848580), (10, 1994006), (14, 1424290), (20, 997003), (28, 712145), (35, 569716), (49, 406940), (70, 284858), (98, 203470), (140, 142429), (196, 101735), (245, 81388), (490, 40694), (980, 20347)]