20777835

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{839}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 36126720

約数和(自身を除く): 15348885

約数列:

[1, 3, 5, 13, 15, 39, 65, 127, 195, 381, 635, 839, 1651, 1905, 2517, 4195, 4953, 8255, 10907, 12585, 24765, 32721, 54535, 106553, 163605, 319659, 532765, 1385189, 1598295, 4155567, 6925945, 20777835]

約数ペア:

[(1, 20777835), (3, 6925945), (5, 4155567), (13, 1598295), (15, 1385189), (39, 532765), (65, 319659), (127, 163605), (195, 106553), (381, 54535), (635, 32721), (839, 24765), (1651, 12585), (1905, 10907), (2517, 8255), (4195, 4953)]