220520020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1575143}}^1$

素因数の和:1575159

約数の個数: 24

約数和(自身を含む): 529248384

約数和(自身を除く): 308728364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1575143, 3150286, 6300572, 7875715, 11026001, 15751430, 22052002, 31502860, 44104004, 55130005, 110260010, 220520020]

約数ペア:

[(1, 220520020), (2, 110260010), (4, 55130005), (5, 44104004), (7, 31502860), (10, 22052002), (14, 15751430), (20, 11026001), (28, 7875715), (35, 6300572), (70, 3150286), (140, 1575143)]