20280298

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{569}}^1$

素因数の和:893

約数の個数: 16

約数和(自身を含む): 31026240

約数和(自身を除く): 10745942

約数列:

[1, 2, 71, 142, 251, 502, 569, 1138, 17821, 35642, 40399, 80798, 142819, 285638, 10140149, 20280298]

約数ペア:

[(1, 20280298), (2, 10140149), (71, 285638), (142, 142819), (251, 80798), (502, 40399), (569, 35642), (1138, 17821)]