20217961784

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{339091}}^1$

素因数の和:339383

約数の個数: 32

約数和(自身を含む): 39368581200

約数和(自身を除く): 19150619416

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 257, 514, 1028, 2056, 7453, 14906, 29812, 59624, 339091, 678182, 1356364, 2712728, 9833639, 19667278, 39334556, 78669112, 87146387, 174292774, 348585548, 697171096, 2527245223, 5054490446, 10108980892, 20217961784]

約数ペア:

[(1, 20217961784), (2, 10108980892), (4, 5054490446), (8, 2527245223), (29, 697171096), (58, 348585548), (116, 174292774), (232, 87146387), (257, 78669112), (514, 39334556), (1028, 19667278), (2056, 9833639), (7453, 2712728), (14906, 1356364), (29812, 678182), (59624, 339091)]