20456772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{243533}}^1$

素因数の和:243547

約数の個数: 24

約数和(自身を含む): 54551616

約数和(自身を除く): 34094844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 243533, 487066, 730599, 974132, 1461198, 1704731, 2922396, 3409462, 5114193, 6818924, 10228386, 20456772]

約数ペア:

[(1, 20456772), (2, 10228386), (3, 6818924), (4, 5114193), (6, 3409462), (7, 2922396), (12, 1704731), (14, 1461198), (21, 974132), (28, 730599), (42, 487066), (84, 243533)]