20123100291

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{8791219}}^1$

素因数の和:8791338

約数の個数: 16

約数和(自身を含む): 30945094400

約数和(自身を除く): 10821994109

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 8791219, 26373657, 61538533, 184615599, 958242871, 2874728613, 6707700097, 20123100291]

約数ペア:

[(1, 20123100291), (3, 6707700097), (7, 2874728613), (21, 958242871), (109, 184615599), (327, 61538533), (763, 26373657), (2289, 8791219)]