20256916

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 36233064

約数和(自身を除く): 15976148

約数列:

[1, 2, 4, 73, 146, 173, 292, 346, 401, 692, 802, 1604, 12629, 25258, 29273, 50516, 58546, 69373, 117092, 138746, 277492, 5064229, 10128458, 20256916]

約数ペア:

[(1, 20256916), (2, 10128458), (4, 5064229), (73, 277492), (146, 138746), (173, 117092), (292, 69373), (346, 58546), (401, 50516), (692, 29273), (802, 25258), (1604, 12629)]