20784849484

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1319}}^1\times {\mathrm{24469}}^1$

素因数の和:25822

約数の個数: 48

約数和(自身を含む): 43411737600

約数和(自身を除く): 22626888116

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 1319, 2638, 5276, 9233, 18466, 24469, 30337, 36932, 48938, 60674, 97876, 121348, 171283, 212359, 342566, 424718, 562787, 685132, 849436, 1125574, 2251148, 3939509, 7879018, 15758036, 32274611, 64549222, 129098444, 225922277, 451844554, 742316053, 903689108, 1484632106, 2969264212, 5196212371, 10392424742, 20784849484]

約数ペア:

[(1, 20784849484), (2, 10392424742), (4, 5196212371), (7, 2969264212), (14, 1484632106), (23, 903689108), (28, 742316053), (46, 451844554), (92, 225922277), (161, 129098444), (322, 64549222), (644, 32274611), (1319, 15758036), (2638, 7879018), (5276, 3939509), (9233, 2251148), (18466, 1125574), (24469, 849436), (30337, 685132), (36932, 562787), (48938, 424718), (60674, 342566), (97876, 212359), (121348, 171283)]