20551806

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:651

約数の個数: 80

約数和(自身を含む): 52968960

約数和(自身を除く): 32417154

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 33, 38, 54, 57, 66, 81, 99, 114, 162, 171, 198, 209, 297, 342, 418, 513, 594, 607, 627, 891, 1026, 1214, 1254, 1539, 1782, 1821, 1881, 3078, 3642, 3762, 5463, 5643, 6677, 10926, 11286, 11533, 13354, 16389, 16929, 20031, 23066, 32778, 33858, 34599, 40062, 49167, 60093, 69198, 98334, 103797, 120186, 126863, 180279, 207594, 253726, 311391, 360558, 380589, 540837, 622782, 761178, 934173, 1081674, 1141767, 1868346, 2283534, 3425301, 6850602, 10275903, 20551806]

約数ペア:

[(1, 20551806), (2, 10275903), (3, 6850602), (6, 3425301), (9, 2283534), (11, 1868346), (18, 1141767), (19, 1081674), (22, 934173), (27, 761178), (33, 622782), (38, 540837), (54, 380589), (57, 360558), (66, 311391), (81, 253726), (99, 207594), (114, 180279), (162, 126863), (171, 120186), (198, 103797), (209, 98334), (297, 69198), (342, 60093), (418, 49167), (513, 40062), (594, 34599), (607, 33858), (627, 32778), (891, 23066), (1026, 20031), (1214, 16929), (1254, 16389), (1539, 13354), (1782, 11533), (1821, 11286), (1881, 10926), (3078, 6677), (3642, 5643), (3762, 5463)]