20889984

素因数分解:

$2^7\times 3^1\times {\mathrm{54401}}^1$

素因数の和:54418

約数の個数: 32

約数和(自身を含む): 55490040

約数和(自身を除く): 34600056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 54401, 108802, 163203, 217604, 326406, 435208, 652812, 870416, 1305624, 1740832, 2611248, 3481664, 5222496, 6963328, 10444992, 20889984]

約数ペア:

[(1, 20889984), (2, 10444992), (3, 6963328), (4, 5222496), (6, 3481664), (8, 2611248), (12, 1740832), (16, 1305624), (24, 870416), (32, 652812), (48, 435208), (64, 326406), (96, 217604), (128, 163203), (192, 108802), (384, 54401)]