20379304

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 43211700

約数和(自身を除く): 22832396

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 121, 148, 242, 296, 407, 484, 569, 814, 968, 1138, 1628, 2276, 3256, 4477, 4552, 6259, 8954, 12518, 17908, 21053, 25036, 35816, 42106, 50072, 68849, 84212, 137698, 168424, 231583, 275396, 463166, 550792, 926332, 1852664, 2547413, 5094826, 10189652, 20379304]

約数ペア:

[(1, 20379304), (2, 10189652), (4, 5094826), (8, 2547413), (11, 1852664), (22, 926332), (37, 550792), (44, 463166), (74, 275396), (88, 231583), (121, 168424), (148, 137698), (242, 84212), (296, 68849), (407, 50072), (484, 42106), (569, 35816), (814, 25036), (968, 21053), (1138, 17908), (1628, 12518), (2276, 8954), (3256, 6259), (4477, 4552)]