20008873240

素因数分解:

$2^3\times 5^1\times {\mathrm{500221831}}^1$

素因数の和:500221842

約数の個数: 16

約数和(自身を含む): 45019964880

約数和(自身を除く): 25011091640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 500221831, 1000443662, 2000887324, 2501109155, 4001774648, 5002218310, 10004436620, 20008873240]

約数ペア:

[(1, 20008873240), (2, 10004436620), (4, 5002218310), (5, 4001774648), (8, 2501109155), (10, 2000887324), (20, 1000443662), (40, 500221831)]