20338790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65609}}^1$

素因数の和:65647

約数の個数: 16

約数和(自身を含む): 37791360

約数和(自身を除く): 17452570

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 65609, 131218, 328045, 656090, 2033879, 4067758, 10169395, 20338790]

約数ペア:

[(1, 20338790), (2, 10169395), (5, 4067758), (10, 2033879), (31, 656090), (62, 328045), (155, 131218), (310, 65609)]