201986380

素因数分解:

$2^2\times 5^1\times {\mathrm{2269}}^1\times {\mathrm{4451}}^1$

素因数の和:6729

約数の個数: 24

約数和(自身を含む): 424453680

約数和(自身を除く): 222467300

約数列:

[1, 2, 4, 5, 10, 20, 2269, 4451, 4538, 8902, 9076, 11345, 17804, 22255, 22690, 44510, 45380, 89020, 10099319, 20198638, 40397276, 50496595, 100993190, 201986380]

約数ペア:

[(1, 201986380), (2, 100993190), (4, 50496595), (5, 40397276), (10, 20198638), (20, 10099319), (2269, 89020), (4451, 45380), (4538, 44510), (8902, 22690), (9076, 22255), (11345, 17804)]