20199425140

素因数分解:

$2^2\times 5^1\times {\mathrm{13219}}^1\times {\mathrm{76403}}^1$

素因数の和:89631

約数の個数: 24

約数和(自身を含む): 42422556960

約数和(自身を除く): 22223131820

約数列:

[1, 2, 4, 5, 10, 20, 13219, 26438, 52876, 66095, 76403, 132190, 152806, 264380, 305612, 382015, 764030, 1528060, 1009971257, 2019942514, 4039885028, 5049856285, 10099712570, 20199425140]

約数ペア:

[(1, 20199425140), (2, 10099712570), (4, 5049856285), (5, 4039885028), (10, 2019942514), (20, 1009971257), (13219, 1528060), (26438, 764030), (52876, 382015), (66095, 305612), (76403, 264380), (132190, 152806)]