20186270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5009}}^1$

素因数の和:5060

約数の個数: 32

約数和(自身を含む): 40400640

約数和(自身を除く): 20214370

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 5009, 10018, 25045, 50090, 65117, 130234, 155279, 310558, 325585, 651170, 776395, 1552790, 2018627, 4037254, 10093135, 20186270]

約数ペア:

[(1, 20186270), (2, 10093135), (5, 4037254), (10, 2018627), (13, 1552790), (26, 776395), (31, 651170), (62, 325585), (65, 310558), (130, 155279), (155, 130234), (310, 65117), (403, 50090), (806, 25045), (2015, 10018), (4030, 5009)]