20545818

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{51109}}^1$

素因数の和:51181

約数の個数: 16

約数和(自身を含む): 41705760

約数和(自身を除く): 21159942

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 51109, 102218, 153327, 306654, 3424303, 6848606, 10272909, 20545818]

約数ペア:

[(1, 20545818), (2, 10272909), (3, 6848606), (6, 3424303), (67, 306654), (134, 153327), (201, 102218), (402, 51109)]