20312857545

素因数分解:

$3^1\times 5^1\times {\mathrm{80669}}^1\times {\mathrm{16787}}^1$

素因数の和:97464

約数の個数: 16

約数和(自身を含む): 32502911040

約数和(自身を除く): 12190053495

約数列:

[1, 3, 5, 15, 16787, 50361, 80669, 83935, 242007, 251805, 403345, 1210035, 1354190503, 4062571509, 6770952515, 20312857545]

約数ペア:

[(1, 20312857545), (3, 6770952515), (5, 4062571509), (15, 1354190503), (16787, 1210035), (50361, 403345), (80669, 251805), (83935, 242007)]