20347792

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43853}}^1$

素因数の和:43890

約数の個数: 20

約数和(自身を含む): 40784220

約数和(自身を除く): 20436428

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 43853, 87706, 175412, 350824, 701648, 1271737, 2543474, 5086948, 10173896, 20347792]

約数ペア:

[(1, 20347792), (2, 10173896), (4, 5086948), (8, 2543474), (16, 1271737), (29, 701648), (58, 350824), (116, 175412), (232, 87706), (464, 43853)]