20112215

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{863}}^1$

素因数の和:1006

約数の個数: 16

約数和(自身を含む): 24883200

約数和(自身を除く): 4770985

約数列:

[1, 5, 59, 79, 295, 395, 863, 4315, 4661, 23305, 50917, 68177, 254585, 340885, 4022443, 20112215]

約数ペア:

[(1, 20112215), (5, 4022443), (59, 340885), (79, 254585), (295, 68177), (395, 50917), (863, 23305), (4315, 4661)]