20561370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22109}}^1$

素因数の和:22150

約数の個数: 32

約数和(自身を含む): 50941440

約数和(自身を除く): 30380070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 22109, 44218, 66327, 110545, 132654, 221090, 331635, 663270, 685379, 1370758, 2056137, 3426895, 4112274, 6853790, 10280685, 20561370]

約数ペア:

[(1, 20561370), (2, 10280685), (3, 6853790), (5, 4112274), (6, 3426895), (10, 2056137), (15, 1370758), (30, 685379), (31, 663270), (62, 331635), (93, 221090), (155, 132654), (186, 110545), (310, 66327), (465, 44218), (930, 22109)]