20983656

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20333}}^1$

素因数の和:20385

約数の個数: 32

約数和(自身を含む): 53681760

約数和(自身を除く): 32698104

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20333, 40666, 60999, 81332, 121998, 162664, 243996, 487992, 874319, 1748638, 2622957, 3497276, 5245914, 6994552, 10491828, 20983656]

約数ペア:

[(1, 20983656), (2, 10491828), (3, 6994552), (4, 5245914), (6, 3497276), (8, 2622957), (12, 1748638), (24, 874319), (43, 487992), (86, 243996), (129, 162664), (172, 121998), (258, 81332), (344, 60999), (516, 40666), (1032, 20333)]