20174879985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1693}}^1\times {\mathrm{2657}}^1$

素因数の和:4394

約数の個数: 64

約数和(自身を含む): 36309385728

約数和(自身を除く): 16134505743

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 1693, 2657, 4485, 5079, 7971, 8465, 13285, 22009, 25395, 34541, 38939, 39855, 61111, 66027, 103623, 110045, 116817, 172705, 183333, 194695, 305555, 330135, 506207, 518115, 584085, 794443, 916665, 1518621, 2383329, 2531035, 3972215, 4498301, 7593105, 11916645, 13494903, 22491505, 58477913, 67474515, 103460923, 175433739, 292389565, 310382769, 517304615, 877168695, 1344991999, 1551913845, 4034975997, 6724959995, 20174879985]

約数ペア:

[(1, 20174879985), (3, 6724959995), (5, 4034975997), (13, 1551913845), (15, 1344991999), (23, 877168695), (39, 517304615), (65, 310382769), (69, 292389565), (115, 175433739), (195, 103460923), (299, 67474515), (345, 58477913), (897, 22491505), (1495, 13494903), (1693, 11916645), (2657, 7593105), (4485, 4498301), (5079, 3972215), (7971, 2531035), (8465, 2383329), (13285, 1518621), (22009, 916665), (25395, 794443), (34541, 584085), (38939, 518115), (39855, 506207), (61111, 330135), (66027, 305555), (103623, 194695), (110045, 183333), (116817, 172705)]