20205840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{84191}}^1$

素因数の和:84207

約数の個数: 40

約数和(自身を含む): 62638848

約数和(自身を除く): 42433008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 84191, 168382, 252573, 336764, 420955, 505146, 673528, 841910, 1010292, 1262865, 1347056, 1683820, 2020584, 2525730, 3367640, 4041168, 5051460, 6735280, 10102920, 20205840]

約数ペア:

[(1, 20205840), (2, 10102920), (3, 6735280), (4, 5051460), (5, 4041168), (6, 3367640), (8, 2525730), (10, 2020584), (12, 1683820), (15, 1347056), (16, 1262865), (20, 1010292), (24, 841910), (30, 673528), (40, 505146), (48, 420955), (60, 336764), (80, 252573), (120, 168382), (240, 84191)]