19714660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{20117}}^1$

素因数の和:20140

約数の個数: 36

約数和(自身を含む): 48162492

約数和(自身を除く): 28447832

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 20117, 40234, 80468, 100585, 140819, 201170, 281638, 402340, 563276, 704095, 985733, 1408190, 1971466, 2816380, 3942932, 4928665, 9857330, 19714660]

約数ペア:

[(1, 19714660), (2, 9857330), (4, 4928665), (5, 3942932), (7, 2816380), (10, 1971466), (14, 1408190), (20, 985733), (28, 704095), (35, 563276), (49, 402340), (70, 281638), (98, 201170), (140, 140819), (196, 100585), (245, 80468), (490, 40234), (980, 20117)]