20937215091

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{109943}}^1$

素因数の和:110235

約数の個数: 32

約数和(自身を含む): 31769418240

約数和(自身を除く): 10832203149

約数列:

[1, 3, 13, 19, 39, 57, 247, 257, 741, 771, 3341, 4883, 10023, 14649, 63479, 109943, 190437, 329829, 1429259, 2088917, 4287777, 6266751, 27155921, 28255351, 81467763, 84766053, 367319563, 536851669, 1101958689, 1610555007, 6979071697, 20937215091]

約数ペア:

[(1, 20937215091), (3, 6979071697), (13, 1610555007), (19, 1101958689), (39, 536851669), (57, 367319563), (247, 84766053), (257, 81467763), (741, 28255351), (771, 27155921), (3341, 6266751), (4883, 4287777), (10023, 2088917), (14649, 1429259), (63479, 329829), (109943, 190437)]