20196518

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3469}}^1$

素因数の和:3583

約数の個数: 16

約数和(自身を含む): 31479840

約数和(自身を除く): 11283322

約数列:

[1, 2, 41, 71, 82, 142, 2911, 3469, 5822, 6938, 142229, 246299, 284458, 492598, 10098259, 20196518]

約数ペア:

[(1, 20196518), (2, 10098259), (41, 492598), (71, 284458), (82, 246299), (142, 142229), (2911, 6938), (3469, 5822)]