20171728066

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{277993}}^1$

素因数の和:278146

約数の個数: 32

約数和(自身を含む): 35547648768

約数和(自身を除く): 15375920702

約数列:

[1, 2, 7, 14, 71, 73, 142, 146, 497, 511, 994, 1022, 5183, 10366, 36281, 72562, 277993, 555986, 1945951, 3891902, 19737503, 20293489, 39475006, 40586978, 138162521, 142054423, 276325042, 284108846, 1440837719, 2881675438, 10085864033, 20171728066]

約数ペア:

[(1, 20171728066), (2, 10085864033), (7, 2881675438), (14, 1440837719), (71, 284108846), (73, 276325042), (142, 142054423), (146, 138162521), (497, 40586978), (511, 39475006), (994, 20293489), (1022, 19737503), (5183, 3891902), (10366, 1945951), (36281, 555986), (72562, 277993)]