20069660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77191}}^1$

素因数の和:77213

約数の個数: 24

約数和(自身を含む): 45388896

約数和(自身を除く): 25319236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77191, 154382, 308764, 385955, 771910, 1003483, 1543820, 2006966, 4013932, 5017415, 10034830, 20069660]

約数ペア:

[(1, 20069660), (2, 10034830), (4, 5017415), (5, 4013932), (10, 2006966), (13, 1543820), (20, 1003483), (26, 771910), (52, 385955), (65, 308764), (130, 154382), (260, 77191)]