20116595968

素因数分解:

$2^8\times 7^1\times {\mathrm{139}}^1\times {\mathrm{80761}}^1$

素因数の和:80923

約数の個数: 72

約数和(自身を含む): 46221707840

約数和(自身を除く): 26105111872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 139, 224, 256, 278, 448, 556, 896, 973, 1112, 1792, 1946, 2224, 3892, 4448, 7784, 8896, 15568, 17792, 31136, 35584, 62272, 80761, 124544, 161522, 249088, 323044, 565327, 646088, 1130654, 1292176, 2261308, 2584352, 4522616, 5168704, 9045232, 10337408, 11225779, 18090464, 20674816, 22451558, 36180928, 44903116, 72361856, 78580453, 89806232, 144723712, 157160906, 179612464, 314321812, 359224928, 628643624, 718449856, 1257287248, 1436899712, 2514574496, 2873799424, 5029148992, 10058297984, 20116595968]

約数ペア:

[(1, 20116595968), (2, 10058297984), (4, 5029148992), (7, 2873799424), (8, 2514574496), (14, 1436899712), (16, 1257287248), (28, 718449856), (32, 628643624), (56, 359224928), (64, 314321812), (112, 179612464), (128, 157160906), (139, 144723712), (224, 89806232), (256, 78580453), (278, 72361856), (448, 44903116), (556, 36180928), (896, 22451558), (973, 20674816), (1112, 18090464), (1792, 11225779), (1946, 10337408), (2224, 9045232), (3892, 5168704), (4448, 4522616), (7784, 2584352), (8896, 2261308), (15568, 1292176), (17792, 1130654), (31136, 646088), (35584, 565327), (62272, 323044), (80761, 249088), (124544, 161522)]