20169184

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:720

約数の個数: 72

約数和(自身を含む): 48693960

約数和(自身を除く): 28524776

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 76, 98, 112, 133, 152, 196, 224, 266, 304, 392, 532, 608, 677, 784, 931, 1064, 1354, 1568, 1862, 2128, 2708, 3724, 4256, 4739, 5416, 7448, 9478, 10832, 12863, 14896, 18956, 21664, 25726, 29792, 33173, 37912, 51452, 66346, 75824, 90041, 102904, 132692, 151648, 180082, 205808, 265384, 360164, 411616, 530768, 630287, 720328, 1061536, 1260574, 1440656, 2521148, 2881312, 5042296, 10084592, 20169184]

約数ペア:

[(1, 20169184), (2, 10084592), (4, 5042296), (7, 2881312), (8, 2521148), (14, 1440656), (16, 1260574), (19, 1061536), (28, 720328), (32, 630287), (38, 530768), (49, 411616), (56, 360164), (76, 265384), (98, 205808), (112, 180082), (133, 151648), (152, 132692), (196, 102904), (224, 90041), (266, 75824), (304, 66346), (392, 51452), (532, 37912), (608, 33173), (677, 29792), (784, 25726), (931, 21664), (1064, 18956), (1354, 14896), (1568, 12863), (1862, 10832), (2128, 9478), (2708, 7448), (3724, 5416), (4256, 4739)]