20420040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{170167}}^1$

素因数の和:170181

約数の個数: 32

約数和(自身を含む): 61260480

約数和(自身を除く): 40840440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 170167, 340334, 510501, 680668, 850835, 1021002, 1361336, 1701670, 2042004, 2552505, 3403340, 4084008, 5105010, 6806680, 10210020, 20420040]

約数ペア:

[(1, 20420040), (2, 10210020), (3, 6806680), (4, 5105010), (5, 4084008), (6, 3403340), (8, 2552505), (10, 2042004), (12, 1701670), (15, 1361336), (20, 1021002), (24, 850835), (30, 680668), (40, 510501), (60, 340334), (120, 170167)]