20287656

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{12251}}^1$

素因数の和:12286

約数の個数: 48

約数和(自身を含む): 57339360

約数和(自身を除く): 37051704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 12251, 24502, 36753, 49004, 73506, 98008, 110259, 147012, 220518, 281773, 294024, 441036, 563546, 845319, 882072, 1127092, 1690638, 2254184, 2535957, 3381276, 5071914, 6762552, 10143828, 20287656]

約数ペア:

[(1, 20287656), (2, 10143828), (3, 6762552), (4, 5071914), (6, 3381276), (8, 2535957), (9, 2254184), (12, 1690638), (18, 1127092), (23, 882072), (24, 845319), (36, 563546), (46, 441036), (69, 294024), (72, 281773), (92, 220518), (138, 147012), (184, 110259), (207, 98008), (276, 73506), (414, 49004), (552, 36753), (828, 24502), (1656, 12251)]