20992554

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{599}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 30847446

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 59, 66, 99, 118, 177, 198, 297, 354, 531, 594, 599, 649, 1062, 1198, 1298, 1593, 1797, 1947, 3186, 3594, 3894, 5391, 5841, 6589, 10782, 11682, 13178, 16173, 17523, 19767, 32346, 35046, 35341, 39534, 59301, 70682, 106023, 118602, 177903, 212046, 318069, 355806, 388751, 636138, 777502, 954207, 1166253, 1908414, 2332506, 3498759, 6997518, 10496277, 20992554]

約数ペア:

[(1, 20992554), (2, 10496277), (3, 6997518), (6, 3498759), (9, 2332506), (11, 1908414), (18, 1166253), (22, 954207), (27, 777502), (33, 636138), (54, 388751), (59, 355806), (66, 318069), (99, 212046), (118, 177903), (177, 118602), (198, 106023), (297, 70682), (354, 59301), (531, 39534), (594, 35341), (599, 35046), (649, 32346), (1062, 19767), (1198, 17523), (1298, 16173), (1593, 13178), (1797, 11682), (1947, 10782), (3186, 6589), (3594, 5841), (3894, 5391)]