20206990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{46993}}^1$

素因数の和:47043

約数の個数: 16

約数和(自身を含む): 37219248

約数和(自身を除く): 17012258

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 46993, 93986, 234965, 469930, 2020699, 4041398, 10103495, 20206990]

約数ペア:

[(1, 20206990), (2, 10103495), (5, 4041398), (10, 2020699), (43, 469930), (86, 234965), (215, 93986), (430, 46993)]