20381595

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{823}}^1$

素因数の和:971

約数の個数: 32

約数和(自身を含む): 35438592

約数和(自身を除く): 15056997

約数列:

[1, 3, 5, 13, 15, 39, 65, 127, 195, 381, 635, 823, 1651, 1905, 2469, 4115, 4953, 8255, 10699, 12345, 24765, 32097, 53495, 104521, 160485, 313563, 522605, 1358773, 1567815, 4076319, 6793865, 20381595]

約数ペア:

[(1, 20381595), (3, 6793865), (5, 4076319), (13, 1567815), (15, 1358773), (39, 522605), (65, 313563), (127, 160485), (195, 104521), (381, 53495), (635, 32097), (823, 24765), (1651, 12345), (1905, 10699), (2469, 8255), (4115, 4953)]