20797247037

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{15739}}^1$

素因数の和:15946

約数の個数: 48

約数和(自身を含む): 32944449600

約数和(自身を除く): 12147202563

約数列:

[1, 3, 7, 21, 49, 89, 101, 147, 267, 303, 623, 707, 1869, 2121, 4361, 4949, 8989, 13083, 14847, 15739, 26967, 47217, 62923, 110173, 188769, 330519, 440461, 771211, 1321383, 1400771, 1589639, 2313633, 4202313, 4768917, 9805397, 11127473, 29416191, 33382419, 68637779, 77892311, 141477871, 205913337, 233676933, 424433613, 990345097, 2971035291, 6932415679, 20797247037]

約数ペア:

[(1, 20797247037), (3, 6932415679), (7, 2971035291), (21, 990345097), (49, 424433613), (89, 233676933), (101, 205913337), (147, 141477871), (267, 77892311), (303, 68637779), (623, 33382419), (707, 29416191), (1869, 11127473), (2121, 9805397), (4361, 4768917), (4949, 4202313), (8989, 2313633), (13083, 1589639), (14847, 1400771), (15739, 1321383), (26967, 771211), (47217, 440461), (62923, 330519), (110173, 188769)]