20004855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{593}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 34727616

約数和(自身を除く): 14722761

約数列:

[1, 3, 5, 13, 15, 39, 65, 173, 195, 519, 593, 865, 1779, 2249, 2595, 2965, 6747, 7709, 8895, 11245, 23127, 33735, 38545, 102589, 115635, 307767, 512945, 1333657, 1538835, 4000971, 6668285, 20004855]

約数ペア:

[(1, 20004855), (3, 6668285), (5, 4000971), (13, 1538835), (15, 1333657), (39, 512945), (65, 307767), (173, 115635), (195, 102589), (519, 38545), (593, 33735), (865, 23127), (1779, 11245), (2249, 8895), (2595, 7709), (2965, 6747)]