20179560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{499}}^1$

素因数の和:850

約数の個数: 64

約数和(自身を含む): 60840000

約数和(自身を除く): 40660440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 337, 499, 674, 998, 1011, 1348, 1497, 1685, 1996, 2022, 2495, 2696, 2994, 3370, 3992, 4044, 4990, 5055, 5988, 6740, 7485, 8088, 9980, 10110, 11976, 13480, 14970, 19960, 20220, 29940, 40440, 59880, 168163, 336326, 504489, 672652, 840815, 1008978, 1345304, 1681630, 2017956, 2522445, 3363260, 4035912, 5044890, 6726520, 10089780, 20179560]

約数ペア:

[(1, 20179560), (2, 10089780), (3, 6726520), (4, 5044890), (5, 4035912), (6, 3363260), (8, 2522445), (10, 2017956), (12, 1681630), (15, 1345304), (20, 1008978), (24, 840815), (30, 672652), (40, 504489), (60, 336326), (120, 168163), (337, 59880), (499, 40440), (674, 29940), (998, 20220), (1011, 19960), (1348, 14970), (1497, 13480), (1685, 11976), (1996, 10110), (2022, 9980), (2495, 8088), (2696, 7485), (2994, 6740), (3370, 5988), (3992, 5055), (4044, 4990)]