20143504

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{719}}^1$

素因数の和:847

約数の個数: 40

約数和(自身を含む): 41783040

約数和(自身を除く): 21639536

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 103, 136, 206, 272, 412, 719, 824, 1438, 1648, 1751, 2876, 3502, 5752, 7004, 11504, 12223, 14008, 24446, 28016, 48892, 74057, 97784, 148114, 195568, 296228, 592456, 1184912, 1258969, 2517938, 5035876, 10071752, 20143504]

約数ペア:

[(1, 20143504), (2, 10071752), (4, 5035876), (8, 2517938), (16, 1258969), (17, 1184912), (34, 592456), (68, 296228), (103, 195568), (136, 148114), (206, 97784), (272, 74057), (412, 48892), (719, 28016), (824, 24446), (1438, 14008), (1648, 12223), (1751, 11504), (2876, 7004), (3502, 5752)]