20715671812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{839}}^1\times {\mathrm{1997}}^1$

素因数の和:3132

約数の個数: 48

約数和(自身を含む): 39756044160

約数和(自身を除く): 19040372348

約数列:

[1, 2, 4, 11, 22, 44, 281, 562, 839, 1124, 1678, 1997, 3091, 3356, 3994, 6182, 7988, 9229, 12364, 18458, 21967, 36916, 43934, 87868, 235759, 471518, 561157, 943036, 1122314, 1675483, 2244628, 2593349, 3350966, 5186698, 6172727, 6701932, 10373396, 12345454, 18430313, 24690908, 36860626, 73721252, 470810723, 941621446, 1883242892, 5178917953, 10357835906, 20715671812]

約数ペア:

[(1, 20715671812), (2, 10357835906), (4, 5178917953), (11, 1883242892), (22, 941621446), (44, 470810723), (281, 73721252), (562, 36860626), (839, 24690908), (1124, 18430313), (1678, 12345454), (1997, 10373396), (3091, 6701932), (3356, 6172727), (3994, 5186698), (6182, 3350966), (7988, 2593349), (9229, 2244628), (12364, 1675483), (18458, 1122314), (21967, 943036), (36916, 561157), (43934, 471518), (87868, 235759)]