20147260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143909}}^1$

素因数の和:143925

約数の個数: 24

約数和(自身を含む): 48353760

約数和(自身を除く): 28206500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143909, 287818, 575636, 719545, 1007363, 1439090, 2014726, 2878180, 4029452, 5036815, 10073630, 20147260]

約数ペア:

[(1, 20147260), (2, 10073630), (4, 5036815), (5, 4029452), (7, 2878180), (10, 2014726), (14, 1439090), (20, 1007363), (28, 719545), (35, 575636), (70, 287818), (140, 143909)]