20200887

素因数分解:

$3^3\times 7^2\times {\mathrm{15269}}^1$

素因数の和:15292

約数の個数: 24

約数和(自身を含む): 34815600

約数和(自身を除く): 14614713

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15269, 45807, 106883, 137421, 320649, 412263, 748181, 961947, 2244543, 2885841, 6733629, 20200887]

約数ペア:

[(1, 20200887), (3, 6733629), (7, 2885841), (9, 2244543), (21, 961947), (27, 748181), (49, 412263), (63, 320649), (147, 137421), (189, 106883), (441, 45807), (1323, 15269)]