20007785187

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{797}}^1\times {\mathrm{1933}}^1$

素因数の和:2789

約数の個数: 64

約数和(自身を含む): 32842104960

約数和(自身を除く): 12834319773

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 797, 999, 1443, 1933, 2391, 4329, 5799, 7173, 10361, 12987, 17397, 21519, 25129, 29489, 31083, 52191, 71521, 75387, 88467, 93249, 214563, 226161, 265401, 279747, 383357, 643689, 678483, 796203, 929773, 1150071, 1540601, 1931067, 2789319, 3450213, 4621803, 8367957, 10350639, 13865409, 20027813, 25103871, 41596227, 57002237, 60083439, 171006711, 180250317, 513020133, 540750951, 741029081, 1539060399, 2223087243, 6669261729, 20007785187]

約数ペア:

[(1, 20007785187), (3, 6669261729), (9, 2223087243), (13, 1539060399), (27, 741029081), (37, 540750951), (39, 513020133), (111, 180250317), (117, 171006711), (333, 60083439), (351, 57002237), (481, 41596227), (797, 25103871), (999, 20027813), (1443, 13865409), (1933, 10350639), (2391, 8367957), (4329, 4621803), (5799, 3450213), (7173, 2789319), (10361, 1931067), (12987, 1540601), (17397, 1150071), (21519, 929773), (25129, 796203), (29489, 678483), (31083, 643689), (52191, 383357), (71521, 279747), (75387, 265401), (88467, 226161), (93249, 214563)]