20314904

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 39372480

約数和(自身を除く): 19057576

約数列:

[1, 2, 4, 8, 47, 94, 97, 188, 194, 376, 388, 557, 776, 1114, 2228, 4456, 4559, 9118, 18236, 26179, 36472, 52358, 54029, 104716, 108058, 209432, 216116, 432232, 2539363, 5078726, 10157452, 20314904]

約数ペア:

[(1, 20314904), (2, 10157452), (4, 5078726), (8, 2539363), (47, 432232), (94, 216116), (97, 209432), (188, 108058), (194, 104716), (376, 54029), (388, 52358), (557, 36472), (776, 26179), (1114, 18236), (2228, 9118), (4456, 4559)]