20149791040

素因数分解:

$2^6\times 5^1\times {\mathrm{211}}^1\times {\mathrm{298427}}^1$

素因数の和:298655

約数の個数: 56

約数和(自身を含む): 48209252832

約数和(自身を除く): 28059461792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 211, 320, 422, 844, 1055, 1688, 2110, 3376, 4220, 6752, 8440, 13504, 16880, 33760, 67520, 298427, 596854, 1193708, 1492135, 2387416, 2984270, 4774832, 5968540, 9549664, 11937080, 19099328, 23874160, 47748320, 62968097, 95496640, 125936194, 251872388, 314840485, 503744776, 629680970, 1007489552, 1259361940, 2014979104, 2518723880, 4029958208, 5037447760, 10074895520, 20149791040]

約数ペア:

[(1, 20149791040), (2, 10074895520), (4, 5037447760), (5, 4029958208), (8, 2518723880), (10, 2014979104), (16, 1259361940), (20, 1007489552), (32, 629680970), (40, 503744776), (64, 314840485), (80, 251872388), (160, 125936194), (211, 95496640), (320, 62968097), (422, 47748320), (844, 23874160), (1055, 19099328), (1688, 11937080), (2110, 9549664), (3376, 5968540), (4220, 4774832), (6752, 2984270), (8440, 2387416), (13504, 1492135), (16880, 1193708), (33760, 596854), (67520, 298427)]