20481608

素因数分解:

$2^3\times 7^2\times {\mathrm{52249}}^1$

素因数の和:52269

約数の個数: 24

約数和(自身を含む): 44673750

約数和(自身を除く): 24192142

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 52249, 104498, 208996, 365743, 417992, 731486, 1462972, 2560201, 2925944, 5120402, 10240804, 20481608]

約数ペア:

[(1, 20481608), (2, 10240804), (4, 5120402), (7, 2925944), (8, 2560201), (14, 1462972), (28, 731486), (49, 417992), (56, 365743), (98, 208996), (196, 104498), (392, 52249)]