20977406

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{2099}}^1$

素因数の和:2383

約数の個数: 16

約数和(自身を含む): 33264000

約数和(自身を除く): 12286594

約数列:

[1, 2, 19, 38, 263, 526, 2099, 4198, 4997, 9994, 39881, 79762, 552037, 1104074, 10488703, 20977406]

約数ペア:

[(1, 20977406), (2, 10488703), (19, 1104074), (38, 552037), (263, 79762), (526, 39881), (2099, 9994), (4198, 4997)]