20730208

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{719}}^1$

素因数の和:799

約数の個数: 48

約数和(自身を含む): 44089920

約数和(自身を除く): 23359712

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 53, 68, 106, 136, 212, 272, 424, 544, 719, 848, 901, 1438, 1696, 1802, 2876, 3604, 5752, 7208, 11504, 12223, 14416, 23008, 24446, 28832, 38107, 48892, 76214, 97784, 152428, 195568, 304856, 391136, 609712, 647819, 1219424, 1295638, 2591276, 5182552, 10365104, 20730208]

約数ペア:

[(1, 20730208), (2, 10365104), (4, 5182552), (8, 2591276), (16, 1295638), (17, 1219424), (32, 647819), (34, 609712), (53, 391136), (68, 304856), (106, 195568), (136, 152428), (212, 97784), (272, 76214), (424, 48892), (544, 38107), (719, 28832), (848, 24446), (901, 23008), (1438, 14416), (1696, 12223), (1802, 11504), (2876, 7208), (3604, 5752)]