20765696

素因数分解:

$2^{10}\times 7^1\times {\mathrm{2897}}^1$

素因数の和:2924

約数の個数: 44

約数和(自身を含む): 47457648

約数和(自身を除く): 26691952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2897, 3584, 5794, 7168, 11588, 20279, 23176, 40558, 46352, 81116, 92704, 162232, 185408, 324464, 370816, 648928, 741632, 1297856, 1483264, 2595712, 2966528, 5191424, 10382848, 20765696]

約数ペア:

[(1, 20765696), (2, 10382848), (4, 5191424), (7, 2966528), (8, 2595712), (14, 1483264), (16, 1297856), (28, 741632), (32, 648928), (56, 370816), (64, 324464), (112, 185408), (128, 162232), (224, 92704), (256, 81116), (448, 46352), (512, 40558), (896, 23176), (1024, 20279), (1792, 11588), (2897, 7168), (3584, 5794)]