19661740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{20063}}^1$

素因数の和:20086

約数の個数: 36

約数和(自身を含む): 48033216

約数和(自身を除く): 28371476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 20063, 40126, 80252, 100315, 140441, 200630, 280882, 401260, 561764, 702205, 983087, 1404410, 1966174, 2808820, 3932348, 4915435, 9830870, 19661740]

約数ペア:

[(1, 19661740), (2, 9830870), (4, 4915435), (5, 3932348), (7, 2808820), (10, 1966174), (14, 1404410), (20, 983087), (28, 702205), (35, 561764), (49, 401260), (70, 280882), (98, 200630), (140, 140441), (196, 100315), (245, 80252), (490, 40126), (980, 20063)]