20506168

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{134909}}^1$

素因数の和:134934

約数の個数: 16

約数和(自身を含む): 40473000

約数和(自身を除く): 19966832

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 134909, 269818, 539636, 1079272, 2563271, 5126542, 10253084, 20506168]

約数ペア:

[(1, 20506168), (2, 10253084), (4, 5126542), (8, 2563271), (19, 1079272), (38, 539636), (76, 269818), (152, 134909)]