20173850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13913}}^1$

素因数の和:13954

約数の個数: 24

約数和(自身を含む): 38820060

約数和(自身を除く): 18646210

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 13913, 27826, 69565, 139130, 347825, 403477, 695650, 806954, 2017385, 4034770, 10086925, 20173850]

約数ペア:

[(1, 20173850), (2, 10086925), (5, 4034770), (10, 2017385), (25, 806954), (29, 695650), (50, 403477), (58, 347825), (145, 139130), (290, 69565), (725, 27826), (1450, 13913)]