20020553852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1151}}^1\times {\mathrm{2003}}^1$

素因数の和:3338

約数の個数: 48

約数和(自身を含む): 38008922112

約数和(自身を除く): 17988368260

約数列:

[1, 2, 4, 13, 26, 52, 167, 334, 668, 1151, 2003, 2171, 2302, 4006, 4342, 4604, 8012, 8684, 14963, 26039, 29926, 52078, 59852, 104156, 192217, 334501, 384434, 669002, 768868, 1338004, 2305453, 2498821, 4348513, 4610906, 4997642, 8697026, 9221812, 9995284, 17394052, 29970889, 59941778, 119883556, 385010651, 770021302, 1540042604, 5005138463, 10010276926, 20020553852]

約数ペア:

[(1, 20020553852), (2, 10010276926), (4, 5005138463), (13, 1540042604), (26, 770021302), (52, 385010651), (167, 119883556), (334, 59941778), (668, 29970889), (1151, 17394052), (2003, 9995284), (2171, 9221812), (2302, 8697026), (4006, 4997642), (4342, 4610906), (4604, 4348513), (8012, 2498821), (8684, 2305453), (14963, 1338004), (26039, 768868), (29926, 669002), (52078, 384434), (59852, 334501), (104156, 192217)]