20207130268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1\times {\mathrm{27527}}^1$

素因数の和:28306

約数の個数: 48

約数和(自身を含む): 40142430720

約数和(自身を除く): 19935300452

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 743, 988, 1486, 2972, 9659, 14117, 19318, 27527, 28234, 38636, 55054, 56468, 110108, 183521, 357851, 367042, 523013, 715702, 734084, 1046026, 1431404, 2092052, 6799169, 13598338, 20452561, 27196676, 40905122, 81810244, 265883293, 388598659, 531766586, 777197318, 1063533172, 1554394636, 5051782567, 10103565134, 20207130268]

約数ペア:

[(1, 20207130268), (2, 10103565134), (4, 5051782567), (13, 1554394636), (19, 1063533172), (26, 777197318), (38, 531766586), (52, 388598659), (76, 265883293), (247, 81810244), (494, 40905122), (743, 27196676), (988, 20452561), (1486, 13598338), (2972, 6799169), (9659, 2092052), (14117, 1431404), (19318, 1046026), (27527, 734084), (28234, 715702), (38636, 523013), (55054, 367042), (56468, 357851), (110108, 183521)]