20877086

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{6173}}^1$

素因数の和:6283

約数の個数: 16

約数和(自身を含む): 33339600

約数和(自身を除く): 12462514

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 6173, 12346, 117287, 234574, 549397, 1098794, 10438543, 20877086]

約数ペア:

[(1, 20877086), (2, 10438543), (19, 1098794), (38, 549397), (89, 234574), (178, 117287), (1691, 12346), (3382, 6173)]