20130985

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8101}}^1$

素因数の和:8184

約数の個数: 16

約数和(自身を含む): 28000512

約数和(自身を除く): 7869527

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 8101, 40505, 56707, 283535, 575171, 2875855, 4026197, 20130985]

約数ペア:

[(1, 20130985), (5, 4026197), (7, 2875855), (35, 575171), (71, 283535), (355, 56707), (497, 40505), (2485, 8101)]