20339072

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{719}}^1$

素因数の和:763

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 25928128

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 272, 416, 442, 544, 719, 832, 884, 1088, 1438, 1664, 1768, 2176, 2876, 3536, 5752, 7072, 9347, 11504, 12223, 14144, 18694, 23008, 24446, 28288, 37388, 46016, 48892, 74776, 92032, 97784, 149552, 158899, 195568, 299104, 317798, 391136, 598208, 635596, 782272, 1196416, 1271192, 1564544, 2542384, 5084768, 10169536, 20339072]

約数ペア:

[(1, 20339072), (2, 10169536), (4, 5084768), (8, 2542384), (13, 1564544), (16, 1271192), (17, 1196416), (26, 782272), (32, 635596), (34, 598208), (52, 391136), (64, 317798), (68, 299104), (104, 195568), (128, 158899), (136, 149552), (208, 97784), (221, 92032), (272, 74776), (416, 48892), (442, 46016), (544, 37388), (719, 28288), (832, 24446), (884, 23008), (1088, 18694), (1438, 14144), (1664, 12223), (1768, 11504), (2176, 9347), (2876, 7072), (3536, 5752)]