20000040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{166667}}^1$

素因数の和:166681

約数の個数: 32

約数和(自身を含む): 60000480

約数和(自身を除く): 40000440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 166667, 333334, 500001, 666668, 833335, 1000002, 1333336, 1666670, 2000004, 2500005, 3333340, 4000008, 5000010, 6666680, 10000020, 20000040]

約数ペア:

[(1, 20000040), (2, 10000020), (3, 6666680), (4, 5000010), (5, 4000008), (6, 3333340), (8, 2500005), (10, 2000004), (12, 1666670), (15, 1333336), (20, 1000002), (24, 833335), (30, 666668), (40, 500001), (60, 333334), (120, 166667)]