20173086760

素因数分解:

$2^3\times 5^1\times {\mathrm{2063}}^1\times {\mathrm{244463}}^1$

素因数の和:246537

約数の個数: 32

約数和(自身を含む): 45411632640

約数和(自身を除く): 25238545880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2063, 4126, 8252, 10315, 16504, 20630, 41260, 82520, 244463, 488926, 977852, 1222315, 1955704, 2444630, 4889260, 9778520, 504327169, 1008654338, 2017308676, 2521635845, 4034617352, 5043271690, 10086543380, 20173086760]

約数ペア:

[(1, 20173086760), (2, 10086543380), (4, 5043271690), (5, 4034617352), (8, 2521635845), (10, 2017308676), (20, 1008654338), (40, 504327169), (2063, 9778520), (4126, 4889260), (8252, 2444630), (10315, 1955704), (16504, 1222315), (20630, 977852), (41260, 488926), (82520, 244463)]