20763344

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2083}}^1$

素因数の和:2187

約数の個数: 40

約数和(自身を含む): 46514880

約数和(自身を除く): 25751536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2083, 2492, 4166, 4984, 8332, 9968, 14581, 16664, 29162, 33328, 58324, 116648, 185387, 233296, 370774, 741548, 1297709, 1483096, 2595418, 2966192, 5190836, 10381672, 20763344]

約数ペア:

[(1, 20763344), (2, 10381672), (4, 5190836), (7, 2966192), (8, 2595418), (14, 1483096), (16, 1297709), (28, 741548), (56, 370774), (89, 233296), (112, 185387), (178, 116648), (356, 58324), (623, 33328), (712, 29162), (1246, 16664), (1424, 14581), (2083, 9968), (2492, 8332), (4166, 4984)]