20510048

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1049}}^1$

素因数の和:1119

約数の個数: 48

約数和(自身を含む): 44452800

約数和(自身を除く): 23942752

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 94, 104, 188, 208, 376, 416, 611, 752, 1049, 1222, 1504, 2098, 2444, 4196, 4888, 8392, 9776, 13637, 16784, 19552, 27274, 33568, 49303, 54548, 98606, 109096, 197212, 218192, 394424, 436384, 640939, 788848, 1281878, 1577696, 2563756, 5127512, 10255024, 20510048]

約数ペア:

[(1, 20510048), (2, 10255024), (4, 5127512), (8, 2563756), (13, 1577696), (16, 1281878), (26, 788848), (32, 640939), (47, 436384), (52, 394424), (94, 218192), (104, 197212), (188, 109096), (208, 98606), (376, 54548), (416, 49303), (611, 33568), (752, 27274), (1049, 19552), (1222, 16784), (1504, 13637), (2098, 9776), (2444, 8392), (4196, 4888)]