20123351595

素因数分解:

$3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{995959}}^1$

素因数の和:996419

約数の個数: 24

約数和(自身を含む): 34958196000

約数和(自身を除く): 14834844405

約数列:

[1, 3, 5, 9, 15, 45, 449, 1347, 2245, 4041, 6735, 20205, 995959, 2987877, 4979795, 8963631, 14939385, 44818155, 447185591, 1341556773, 2235927955, 4024670319, 6707783865, 20123351595]

約数ペア:

[(1, 20123351595), (3, 6707783865), (5, 4024670319), (9, 2235927955), (15, 1341556773), (45, 447185591), (449, 44818155), (1347, 14939385), (2245, 8963631), (4041, 4979795), (6735, 2987877), (20205, 995959)]