20436328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{439}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 43797600

約数和(自身を除く): 23361272

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 439, 506, 529, 878, 1012, 1058, 1756, 2024, 2116, 3512, 4232, 4829, 5819, 9658, 10097, 11638, 19316, 20194, 23276, 38632, 40388, 46552, 80776, 111067, 222134, 232231, 444268, 464462, 888536, 928924, 1857848, 2554541, 5109082, 10218164, 20436328]

約数ペア:

[(1, 20436328), (2, 10218164), (4, 5109082), (8, 2554541), (11, 1857848), (22, 928924), (23, 888536), (44, 464462), (46, 444268), (88, 232231), (92, 222134), (184, 111067), (253, 80776), (439, 46552), (506, 40388), (529, 38632), (878, 23276), (1012, 20194), (1058, 19316), (1756, 11638), (2024, 10097), (2116, 9658), (3512, 5819), (4232, 4829)]