20899998

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55291}}^1$

素因数の和:55309

約数の個数: 32

約数和(自身を含む): 53080320

約数和(自身を除く): 32180322

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55291, 110582, 165873, 331746, 387037, 497619, 774074, 995238, 1161111, 1492857, 2322222, 2985714, 3483333, 6966666, 10449999, 20899998]

約数ペア:

[(1, 20899998), (2, 10449999), (3, 6966666), (6, 3483333), (7, 2985714), (9, 2322222), (14, 1492857), (18, 1161111), (21, 995238), (27, 774074), (42, 497619), (54, 387037), (63, 331746), (126, 165873), (189, 110582), (378, 55291)]