20563648

素因数分解:

$2^6\times 7^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:449

約数の個数: 56

約数和(自身を含む): 47073312

約数和(自身を除く): 26509664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 197, 224, 233, 394, 448, 466, 788, 932, 1379, 1576, 1631, 1864, 2758, 3152, 3262, 3728, 5516, 6304, 6524, 7456, 11032, 12608, 13048, 14912, 22064, 26096, 44128, 45901, 52192, 88256, 91802, 104384, 183604, 321307, 367208, 642614, 734416, 1285228, 1468832, 2570456, 2937664, 5140912, 10281824, 20563648]

約数ペア:

[(1, 20563648), (2, 10281824), (4, 5140912), (7, 2937664), (8, 2570456), (14, 1468832), (16, 1285228), (28, 734416), (32, 642614), (56, 367208), (64, 321307), (112, 183604), (197, 104384), (224, 91802), (233, 88256), (394, 52192), (448, 45901), (466, 44128), (788, 26096), (932, 22064), (1379, 14912), (1576, 13048), (1631, 12608), (1864, 11032), (2758, 7456), (3152, 6524), (3262, 6304), (3728, 5516)]