20784472077

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1\times {\mathrm{331}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 30811299840

約数和(自身を除く): 10026827763

約数列:

[1, 3, 19, 23, 57, 69, 211, 227, 331, 437, 633, 681, 993, 1311, 4009, 4313, 4853, 5221, 6289, 7613, 12027, 12939, 14559, 15663, 18867, 22839, 47897, 69841, 75137, 92207, 99199, 143691, 144647, 209523, 225411, 276621, 297597, 433941, 910043, 1101631, 1326979, 1427603, 1606343, 1728151, 2730129, 3304893, 3980937, 4282809, 4819029, 5184453, 15853907, 20930989, 30520517, 32834869, 47561721, 62792967, 91561551, 98504607, 301224233, 364639861, 903672699, 1093919583, 6928157359, 20784472077]

約数ペア:

[(1, 20784472077), (3, 6928157359), (19, 1093919583), (23, 903672699), (57, 364639861), (69, 301224233), (211, 98504607), (227, 91561551), (331, 62792967), (437, 47561721), (633, 32834869), (681, 30520517), (993, 20930989), (1311, 15853907), (4009, 5184453), (4313, 4819029), (4853, 4282809), (5221, 3980937), (6289, 3304893), (7613, 2730129), (12027, 1728151), (12939, 1606343), (14559, 1427603), (15663, 1326979), (18867, 1101631), (22839, 910043), (47897, 433941), (69841, 297597), (75137, 276621), (92207, 225411), (99199, 209523), (143691, 144647)]