20161380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11587}}^1$

素因数の和:11628

約数の個数: 48

約数和(自身を含む): 58403520

約数和(自身を除く): 38242140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11587, 23174, 34761, 46348, 57935, 69522, 115870, 139044, 173805, 231740, 336023, 347610, 672046, 695220, 1008069, 1344092, 1680115, 2016138, 3360230, 4032276, 5040345, 6720460, 10080690, 20161380]

約数ペア:

[(1, 20161380), (2, 10080690), (3, 6720460), (4, 5040345), (5, 4032276), (6, 3360230), (10, 2016138), (12, 1680115), (15, 1344092), (20, 1008069), (29, 695220), (30, 672046), (58, 347610), (60, 336023), (87, 231740), (116, 173805), (145, 139044), (174, 115870), (290, 69522), (348, 57935), (435, 46348), (580, 34761), (870, 23174), (1740, 11587)]