20409904

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41149}}^1$

素因数の和:41188

約数の個数: 20

約数和(自身を含む): 40820800

約数和(自身を除く): 20410896

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41149, 82298, 164596, 329192, 658384, 1275619, 2551238, 5102476, 10204952, 20409904]

約数ペア:

[(1, 20409904), (2, 10204952), (4, 5102476), (8, 2551238), (16, 1275619), (31, 658384), (62, 329192), (124, 164596), (248, 82298), (496, 41149)]