20803255424

素因数分解:

$2^7\times 7^1\times {\mathrm{379}}^1\times {\mathrm{61261}}^1$

素因数の和:61661

約数の個数: 64

約数和(自身を含む): 47490302400

約数和(自身を除く): 26687046976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 379, 448, 758, 896, 1516, 2653, 3032, 5306, 6064, 10612, 12128, 21224, 24256, 42448, 48512, 61261, 84896, 122522, 169792, 245044, 339584, 428827, 490088, 857654, 980176, 1715308, 1960352, 3430616, 3920704, 6861232, 7841408, 13722464, 23217919, 27444928, 46435838, 54889856, 92871676, 162525433, 185743352, 325050866, 371486704, 650101732, 742973408, 1300203464, 1485946816, 2600406928, 2971893632, 5200813856, 10401627712, 20803255424]

約数ペア:

[(1, 20803255424), (2, 10401627712), (4, 5200813856), (7, 2971893632), (8, 2600406928), (14, 1485946816), (16, 1300203464), (28, 742973408), (32, 650101732), (56, 371486704), (64, 325050866), (112, 185743352), (128, 162525433), (224, 92871676), (379, 54889856), (448, 46435838), (758, 27444928), (896, 23217919), (1516, 13722464), (2653, 7841408), (3032, 6861232), (5306, 3920704), (6064, 3430616), (10612, 1960352), (12128, 1715308), (21224, 980176), (24256, 857654), (42448, 490088), (48512, 428827), (61261, 339584), (84896, 245044), (122522, 169792)]